learning - 磁力管家 - 男人都爱上的磁力连接搜索引擎

【影视】 Learning Primavera (P6) 2021 - Omar Abdul-Azeez

收录时间:2024-06-04 文档个数:17 文档大小:2.4 GB 最近下载:2025-05-11 人气:180 磁力链接

16. 15 RESOURCE MANAGEMENT شرح احترافى دورة بريمافيرا مهندس عمر عبدالعزيز.mp4 286.7 MB
04. Learning Primavera P6 4 شرح احترافى دورة بريمافيرا مهندس عمر عبدالعزيز.mp4 223.9 MB
10. Learning Primavera P6 9 شرح احترافى دورة بريمافيرا مهندس عمر عبدالعزيز.mp4 209.1 MB
12. Learning Primavera P6 11 شرح احترافى دورة بريمافيرا مهندس عمر عبدالعزيز.mp4 198.7 MB
07. Learning Primavera P6 6 شرح احترافى دورة بريمافيرا مهندس عمر عبدالعزيز.mp4 192.2 MB
03. Learning Primavera P6 3 شرح احترافى دورة بريمافيرا مهندس عمر عبدالعزيز.mp4 187.9 MB
08. Learning Primavera P6 7 شرح احترافى دورة بريمافيرا مهندس عمر عبدالعزيز.mp4 181.1 MB
06. Learning Primavera P6 5-2 شرح احترافى دورة بريمافيرا مهندس عمر عبدالعزيز.mp4 136.1 MB
09. Learning Primavera P6 8 شرح احترافى دورة بريمافيرا مهندس عمر عبدالعزيز.mp4 119.9 MB
01. Learning Primavera P6 1 شرح احترافى دورة بريمافيرا مهندس عمر عبدالعزيز.mp4 118.8 MB
15. 14 RESOURCE MANAGEMENT شرح احترافى دورة بريمافيرا مهندس عمر عبدالعزيز.mp4 104.7 MB
11. Learning Primavera P6 10 شرح احترافى دورة بريمافيرا مهندس عمر عبدالعزيز.mp4 94.0 MB
05. Learning Primavera P6 5-1 شرح احترافى دورة بريمافيرا مهندس عمر عبدالعزيز.mp4 82.3 MB
02. Learning Primavera P6 2 شرح احترافى دورة بريمافيرا مهندس عمر عبدالعزيز.mp4 80.9 MB
14. 13 RESOURCE MANAGEMENT شرح احترافى دورة بريمافيرا مهندس عمر عبدالعزيز.mp4 70.3 MB
13. 12 RESOURCE MANAGEMENT شرح احترافى دورة بريمافيرا مهندس عمر عبدالعزيز.mp4 69.4 MB
17. حل مشكله ازاله تسطيب برنامج البريمافيرا how to remove primavera.mp4 9.6 MB

猜你喜欢： P6 Abdul Azeez 2021 Learning Primavera Omar

【压缩文件】 [ FreeCourseWeb.com ] Lynda - Supporting Your Kids' Learning at Home.zip

收录时间:2024-06-04 文档个数:1 文档大小:539.0 MB 最近下载:2025-04-26 人气:39 磁力链接

[ FreeCourseWeb.com ] Lynda - Supporting Your Kids' Learning at Home.zip 539.0 MB

猜你喜欢： Supporting Kids zip Lynda FreeCourseWeb Learning Home com Your

【影视】 Studio.Apartment.Good.Lighting.Angel.Included.S01E10.Towa.and.Noel.are.Both.Learning.1080p.CR.WEB-DL.AAC2.0.H.264-VARYG.mkv

收录时间:2024-06-04 文档个数:1 文档大小:1.4 GB 最近下载:2025-05-12 人气:2065 磁力链接

Studio.Apartment.Good.Lighting.Angel.Included.S01E10.Towa.and.Noel.are.Both.Learning.1080p.CR.WEB-DL.AAC2.0.H.264-VARYG.mkv 1.4 GB

猜你喜欢： Both DL Apartment Noel Angel WEB 264 Learning Towa AAC2

【安装包】 Easy Learning 6.0 Complete Edition [FileCR]

收录时间:2024-06-03 文档个数:81 文档大小:5.8 GB 最近下载:2025-05-15 人气:2501 磁力链接

Easy Learning 6.0 English/Setup Easy Learning English.exe 360.9 MB
Easy Learning 6.0 Czech/Setup Easy Learning Czech.exe 324.3 MB
Easy Learning 6.0 Slovakian/Setup Easy Learning Slovakian.exe 319.5 MB
Easy Learning 6.0 Greek/Setup Easy Learning Greek.exe 312.5 MB
Easy Learning 6.0 Spanish/Setup Easy Learning Spanish.exe 309.9 MB
Easy Learning 6.0 Italian/Setup Easy Learning Italian.exe 307.9 MB
Easy Learning 6.0 Polish/Setup Easy Learning Polish.exe 305.3 MB
Easy Learning 6.0 Russian/Setup Easy Learning Russian.exe 301.9 MB
Easy Learning 6.0 German/Setup Easy Learning German.exe 295.1 MB
Easy Learning 6.0 Swedish/Setup Easy Learning Swedish.exe 289.9 MB
Easy Learning 6.0 French/Setup Easy Learning French.exe 286.8 MB
Easy Learning 6.0 Dutch/Setup Easy Learning Dutch.exe 278.1 MB
Easy Learning 6.0 Danish/Setup Easy Learning Danish.exe 274.3 MB
Easy Learning 6.0 Romanian/Setup Easy Learning Romanian.exe 262.3 MB
Easy Learning 6.0 Serbian/Setup Easy Learning Serbian.exe 258.0 MB
Easy Learning 6.0 Portuguese/Setup Easy Learning Portuguese.exe 257.9 MB
Easy Learning 6.0 Turkish/Setup Easy Learning Turkish.exe 257.2 MB
Easy Learning 6.0 Bulgarian/Setup Easy Learning Bulgarian.exe 257.1 MB
Easy Learning 6.0 Hungarian/Setup Easy Learning Hungarian.exe 256.3 MB
Easy Learning 6.0 Croatian/Setup Easy Learning Croatian.exe 255.9 MB

猜你喜欢： Complete FileCR Edition Learning 6.0 Easy

【安装包】 Learn English with Strokes Easy Learning 6.0 Incl. Key

收录时间:2024-06-03 文档个数:3 文档大小:87.8 MB 最近下载:2024-06-25 人气:6 磁力链接

Learn English with Strokes Easy Learning 6.0 Incl. Key.exe 87.8 MB
ReadMe.txt 320 Bytes
Torrent downloaded from AhaShare.com.txt 60 Bytes

猜你喜欢： Learn Easy Strokes English Key Learning 6.0 Incl

【影视】 [ CoursePig.com ] Skillshare - Ultra Learning Linux

收录时间:2024-06-03 文档个数:212 文档大小:341.6 MB 最近下载:2025-05-15 人气:1381 磁力链接

~Get Your Files Here !/35. Common Interview Questions.mp4 41.6 MB
~Get Your Files Here !/08. Basic Linux Commands (cd, pwd, ls, man, .., clear).mp4 30.6 MB
~Get Your Files Here !/06. Virtualization Features on Intel and AMD (Optional).mp4 28.1 MB
~Get Your Files Here !/11. Creating Files and Directories (cat, touch, cp, mv, mkdir, rm -r).mp4 25.3 MB
~Get Your Files Here !/28. Managing Processes.mp4 24.6 MB
~Get Your Files Here !/14. vim Editor.mp4 17.4 MB
~Get Your Files Here !/05. Setting Up CentOS (installing Linux).mp4 17.0 MB
~Get Your Files Here !/18. Setting up Permissions.mp4 14.4 MB
~Get Your Files Here !/01. Introduction.mp4 11.6 MB
~Get Your Files Here !/10. Absolute Paths and Relative Paths.mp4 9.9 MB
~Get Your Files Here !/02. How to Maximise Your Ultra Learning Experience.mp4 9.6 MB
~Get Your Files Here !/31. Setting Up and Using Putty.mp4 8.3 MB
~Get Your Files Here !/27. Process Management.mp4 8.3 MB
~Get Your Files Here !/33. Archiving with tar.mp4 8.1 MB
~Get Your Files Here !/07. Customize Your Linux Machine.mp4 7.5 MB
~Get Your Files Here !/24. Finding Stuff.mp4 7.1 MB
~Get Your Files Here !/09. The Linux File System and Directory Tree.mp4 6.9 MB
~Get Your Files Here !/15. Files and Types of Users.mp4 6.2 MB
~Get Your Files Here !/19. Adding Users to the Sudoers File.mp4 5.9 MB
~Get Your Files Here !/04. Virtual Machine Installation.mp4 5.6 MB

猜你喜欢： CoursePig Learning Linux Skillshare Ultra com

【其他】 Brandi Love [Brazzers] MommyGotBoobs Hands-On Learning.mp4.scr

收录时间:2024-06-03 文档个数:1 文档大小:736.7 MB 最近下载:2025-03-20 人气:562 磁力链接

Brandi Love [Brazzers] MommyGotBoobs Hands-On Learning.mp4.scr 736.7 MB

猜你喜欢： Brandi Love Brazzers MommyGotBoobs mp4 Learning Hands scr

【影视】 [CourseClub.Me] ZeroToMastery - PyTorch for Deep Learning

收录时间:2024-06-03 文档个数:205 文档大小:7.3 GB 最近下载:2025-04-27 人气:627 磁力链接

lesson187.mp4 125.5 MB
lesson289.mp4 121.1 MB
lesson116.mp4 120.0 MB
lesson260.mp4 110.0 MB
lesson232.mp4 108.9 MB
lesson169.mp4 103.3 MB
lesson239.mp4 102.9 MB
lesson117.mp4 99.9 MB
lesson217.mp4 97.7 MB
lesson49.mp4 97.7 MB
lesson170.mp4 95.9 MB
lesson182.mp4 94.8 MB
lesson305.mp4 93.8 MB
lesson125.mp4 93.1 MB
lesson142.mp4 90.9 MB
lesson233.mp4 86.5 MB
lesson236.mp4 85.7 MB
lesson254.mp4 84.1 MB
lesson308.mp4 82.6 MB
lesson234.mp4 82.5 MB

猜你喜欢： Me CourseClub Deep PyTorch Learning ZeroToMastery

【影视】 Linkedin Learning SOLIDWORKS Modeling Gears

收录时间:2024-06-02 文档个数:70 文档大小:178.7 MB 最近下载:2025-05-16 人气:5582 磁力链接

4. Mating Spur Gears/3. Gear mate.mp4 24.5 MB
5. Conclusion/1. Animating your assembly.mp4 19.5 MB
3. Modeling a Spur Gear/6. Tooth cut- Spur gear modeling.mp4 17.7 MB
4. Mating Spur Gears/2. Mating gears to the mounting plate.mp4 14.7 MB
3. Modeling a Spur Gear/3. Variables- Spur gear modeling.mp4 13.8 MB
3. Modeling a Spur Gear/5. Pitch root and outer diameter- Spur gear modeling.mp4 13.5 MB
4. Mating Spur Gears/1. Designing your mounting plate.mp4 12.7 MB
3. Modeling a Spur Gear/4. Cylinder blank- Spur gear modeling.mp4 11.2 MB
2. Mechanical Gear Introduction/2. Common mechanical gear nomenclature.mp4 6.8 MB
2. Mechanical Gear Introduction/1. Mechanical gear types and applications.mp4 6.1 MB
3. Modeling a Spur Gear/9. Modifying variables.mp4 5.8 MB
3. Modeling a Spur Gear/1. Metric spur gear equations.mp4 5.7 MB
3. Modeling a Spur Gear/2. English spur gear equations.mp4 5.4 MB
3. Modeling a Spur Gear/7. Fillets- Spur gear modeling.mp4 4.3 MB
3. Modeling a Spur Gear/8. Circular pattern- Spur gear modeling.mp4 4.1 MB
1. Introduction/1. Designing spur gears for mechanical projects.mp4 2.5 MB
5. Conclusion/2. Next steps.mp4 1.6 MB
1. Introduction/2. What you should know.mp4 660.3 kB
Exercise Files/Chapter 3/3.2_Exercise Files/Gear 3.SLDPRT 465.7 kB
Exercise Files/Chapter 3/3.3_Exercise Files/Gear 3.SLDPRT 465.7 kB

猜你喜欢： Modeling SOLIDWORKS Learning Linkedin Gears

【压缩文件】 Getting Started with NLP Deep Learning Using PyTorch and fastai (Gianni Rosa Gallina, 2019)

收录时间:2024-06-02 文档个数:92 文档大小:991.4 MB 最近下载:2025-05-15 人气:2994 磁力链接

exercise.7z 663.6 MB
4. Building a TextTopic Classifier with Transfer Learning/2. Preparing the Data.mp4 26.2 MB
3. Setting up a Development Environment/2. Set up a Dev Environment for fastai 1.0.mp4 23.9 MB
4. Building a TextTopic Classifier with Transfer Learning/6. Training a Document Classifier with Transfer Learning.mp4 19.1 MB
4. Building a TextTopic Classifier with Transfer Learning/3. Introduction to Language Models.mp4 17.9 MB
4. Building a TextTopic Classifier with Transfer Learning/7. Discussing the Results and Summary.mp4 15.3 MB
4. Building a TextTopic Classifier with Transfer Learning/5. Finalizing Language Model Tuning and Testing.mp4 13.4 MB
4. Building a TextTopic Classifier with Transfer Learning/4. Language Model Fine-tuning.mp4 13.0 MB
6. Going from Prototype to Production/1. Introduction and Dev Environment Setup.mp4 11.6 MB
5. Using Deep Learning for NLP/10. Batch Data Loading.mp4 10.9 MB
7. Building a Custom Language Model from Scratch/2. Getting the Data.mp4 10.7 MB
6. Going from Prototype to Production/7. Deploy the Production Image.mp4 10.3 MB
4. Building a TextTopic Classifier with Transfer Learning/1. Module Overview.mp4 10.1 MB
6. Going from Prototype to Production/3. Scoring Script for Local Test.mp4 9.9 MB
7. Building a Custom Language Model from Scratch/3. Text Pre-processing.mp4 9.3 MB
5. Using Deep Learning for NLP/03. Introduction to ULMFiT.mp4 9.1 MB
5. Using Deep Learning for NLP/09. Text Pre-processing.mp4 8.3 MB
3. Setting up a Development Environment/3. Other Dev Environment Options.mp4 6.7 MB
5. Using Deep Learning for NLP/06. AWD-LSTM Language Model.mp4 6.3 MB
2. Exploring the fastai Library/2. Introducing the fastai Library.mp4 6.0 MB

猜你喜欢： NLP Getting Started fastai Deep Rosa PyTorch 2019 Learning Gianni

【影视】 wankzvr-jill taylor-deep-learning-180_180x180_3dh_LR.mp4

收录时间:2024-06-01 文档个数:1 文档大小:15.5 GB 最近下载:2025-05-16 人气:5088 磁力链接

wankzvr-jill taylor-deep-learning-180_180x180_3dh_LR.mp4 15.5 GB

猜你喜欢： taylor wankzvr mp4 deep 180x180 180 jill LR learning 3dh

【影视】 DatingMyStepson.24.05.16.Crystal.Rush.Learning.Some.New.Moves.XXX.1080p.HEVC.x265.PRT

收录时间:2024-06-01 文档个数:2 文档大小:581.1 MB 最近下载:2025-05-13 人气:788 磁力链接

DatingMyStepson.24.05.16.Crystal.Rush.Learning.Some.New.Moves.XXX.1080p.HEVC.x265.PRT.mp4 581.1 MB
Provided by PornRips.to.nfo 47 Bytes

猜你喜欢： Rush HEVC 16 24.05 XXX Some DatingMyStepson Crystal PRT Learning

【其他】 Noun Town Language Learning v220001+2.20001 -VRP

收录时间:2024-05-31 文档个数:6 文档大小:3.0 GB 最近下载:2025-03-25 人气:59 磁力链接

com.realiaXR.NounTownQuest/main.220001.com.realiaXR.NounTownQuest.obb 2.8 GB
com.realiaXR.NounTownQuest.apk 180.5 MB
.pad/4193878 4.2 MB
.pad/4037695 4.0 MB
.pad/645634 645.6 kB
release.manifest 426 Bytes

猜你喜欢： Town VRP v220001 Language Learning Noun 2.20001

【压缩文件】 [freecourse.pro]-Machine Learning, Data Science and Generative AI with Python.zip

收录时间:2024-05-31 文档个数:1 文档大小:7.7 GB 最近下载:2024-12-30 人气:810 磁力链接

[freecourse.pro]-Machine Learning, Data Science and Generative AI with Python.zip 7.7 GB

猜你喜欢： zip AI Science pro Machine Python Learning Generative freecourse Data

【影视】 How to Think About Machine Learning Algorithms (Swetha Kolalapudi, 2016)

收录时间:2024-05-31 文档个数:78 文档大小:392.5 MB 最近下载:2025-05-15 人气:2417 磁力链接

4. Solving Classification Problems/5. Implementing Support Vector Machines.mp4 24.9 MB
4. Solving Classification Problems/3. Implementing Naive Bayes.mp4 22.1 MB
7. Recommending Relevant Products to a User/3. Finding Hidden Factors that Influence Ratings.mp4 15.7 MB
3. Classifying Data into Predefined Categories/1. Understanding the Setup of a Classification Problem.mp4 15.5 MB
2. Introducing Machine Learning/4. Identifying the Type of a Machine Learning Problem.mp4 15.2 MB
2. Introducing Machine Learning/2. Knowing When to Use Machine Learning.mp4 14.3 MB
4. Solving Classification Problems/1. Using the Naive Bayes Algorithm for Sentiment Analysis.mp4 14.2 MB
8. Clustering Large Data Sets into Meaningful Groups/2. Contrasting Clustering and Classification.mp4 14.1 MB
6. Solving Regression Problems/3. Minimizing Error Using Stochastic Gradient Descent.mp4 13.6 MB
7. Recommending Relevant Products to a User/2. Predicting Ratings Using Collaborative Filtering.mp4 13.4 MB
2. Introducing Machine Learning/1. Recognizing Machine Learning Applications.mp4 12.1 MB
8. Clustering Large Data Sets into Meaningful Groups/4. Implementing K-Means Clustering.mp4 11.8 MB
8. Clustering Large Data Sets into Meaningful Groups/3. Document Clustering with K-Means.mp4 11.7 MB
9. Wrapping up and Next Steps/2. Looking Ahead.mp4 11.5 MB
9. Wrapping up and Next Steps/1. Surveying Machine Learning Techniques.mp4 11.4 MB
3. Classifying Data into Predefined Categories/3. Classifying Text on the Basis of Sentiment.mp4 11.0 MB
8. Clustering Large Data Sets into Meaningful Groups/1. Understanding the Clustering Setup.mp4 10.3 MB
exercise.7z 9.9 MB
5. Predicting Relationships between Variables with Regression/5. Contrasting Classification and Regression.mp4 9.8 MB
7. Recommending Relevant Products to a User/1. Appreciating the Role of Recommendations.mp4 9.6 MB

猜你喜欢： About Kolalapudi Swetha Machine How Algorithms Learning 2016 Think

【压缩文件】 [Robolord] Learning Pleasure - Chapter 1.zip

收录时间:2024-05-31 文档个数:1 文档大小:86.5 MB 最近下载:2025-05-15 人气:1218 磁力链接

[Robolord] Learning Pleasure - Chapter 1.zip 86.5 MB

猜你喜欢： Chapter Robolord zip Learning Pleasure

【安装包】 Learn English with Strokes Easy Learning 6.0 Incl. Key

收录时间:2024-05-31 文档个数:3 文档大小:87.8 MB 最近下载:2024-05-31 人气:1 磁力链接

Learn English with Strokes Easy Learning 6.0 Incl. Key.exe 87.8 MB
ReadMe.txt 320 Bytes
Torrent downloaded from AhaShare.com.txt 60 Bytes

猜你喜欢： Learn Easy Strokes English Key Learning 6.0 Incl

【影视】 Linkedin Learning SOLIDWORKS-Designing A Stirling Engine

收录时间:2024-05-30 文档个数:119 文档大小:988.6 MB 最近下载:2025-05-15 人气:5454 磁力链接

8. Add Cooler Parts to the Assembly/4. Model the air tube.mp4 65.8 MB
6. Add Heater Parts to the Assembly/1. Add new parts to the assembly.mp4 59.3 MB
4. Starting the Assembly with the Current Parts/2. Fix the remaining parts in place.mp4 51.0 MB
8. Add Cooler Parts to the Assembly/1. Add the cooler parts.mp4 46.9 MB
4. Starting the Assembly with the Current Parts/3. Add screws using the SOLIDWORKS toolbox.mp4 46.9 MB
10. Making the Engine and Conclusion/1. Creating the parts in real life.mp4 45.2 MB
9. Finish the Assembly/1. Create and add burner plate.mp4 44.3 MB
6. Add Heater Parts to the Assembly/2. Finish off this section of the assembly with screws.mp4 44.2 MB
3. Create the Flywheel Parts/2. Finish the flywheel.mp4 42.7 MB
3. Create the Flywheel Parts/3. Create the flywheel bracket.mp4 42.6 MB
8. Add Cooler Parts to the Assembly/2. Link up all parts with mates.mp4 42.5 MB
7. Creating the Cooler Parts/2. Create the cooler cylinder.mp4 42.2 MB
8. Add Cooler Parts to the Assembly/3. Model and add the air valves.mp4 39.5 MB
3. Create the Flywheel Parts/1. Create the flywheel.mp4 36.9 MB
4. Starting the Assembly with the Current Parts/4. Adding screws without the SOLIDWORKS toolbox.mp4 36.0 MB
4. Starting the Assembly with the Current Parts/1. Create a new assembly.mp4 33.1 MB
2. Introducing Stirling Engines/1. Introducing Stirling engines.mp4 32.1 MB
5. Create the Heater Parts/3. Create the heater cylinder.mp4 24.3 MB
3. Create the Flywheel Parts/4. Create the crank.mp4 24.3 MB
5. Create the Heater Parts/1. Create the heater bracket block.mp4 23.0 MB

猜你喜欢： Engine SOLIDWORKS Stirling Linkedin Learning Designing

【压缩文件】 Kumar V. Data Labeling in Machine Learning with Python...2024 PDF

收录时间:2024-05-30 文档个数:2 文档大小:191.0 MB 最近下载:2025-05-15 人气:4993 磁力链接

Code.zip 152.1 MB
Kumar V. Data Labeling in Machine Learning with Python...2024.pdf 38.9 MB

猜你喜欢： Kumar ... Python Labeling Machine Learning PDF 2024 Data

【影视】 [ CourseWikia.com ] Problem Based Learning (Pbl)

收录时间:2024-05-30 文档个数:16 文档大小:122.1 MB 最近下载:2025-05-13 人气:384 磁力链接

~Get Your Files Here !/3 - ProblemBased Learning Cycle/8 - Why is ProblemBased Learning PBL pedagogy better.mp4 31.7 MB
~Get Your Files Here !/4 - 5 reasons why problembased learning is an effective teaching method/10 - Developing Higher Order Thinking Skills.mp4 16.9 MB
~Get Your Files Here !/3 - ProblemBased Learning Cycle/7 - ProblemBased Learning Cycle.mp4 16.4 MB
~Get Your Files Here !/4 - 5 reasons why problembased learning is an effective teaching method/11 - Learning by doing.mp4 8.3 MB
~Get Your Files Here !/2 - The typical classroom/4 - Example Food waste reduction.mp4 6.7 MB
~Get Your Files Here !/4 - 5 reasons why problembased learning is an effective teaching method/9 - PBL three domains of learning.mp4 6.7 MB
~Get Your Files Here !/2 - The typical classroom/5 - Example The significance of renewable energy sources.mp4 6.6 MB
~Get Your Files Here !/5 - Conclusion/14 - Conclusion Problembased learning method.mp4 6.2 MB
~Get Your Files Here !/2 - The typical classroom/6 - Example The historical significance of the Industrial Revolution.mp4 5.4 MB
~Get Your Files Here !/1 - Introduction/1 - Welcome.mp4 4.9 MB
~Get Your Files Here !/1 - Introduction/2 - Benefits of problembased learning.mp4 3.5 MB
~Get Your Files Here !/4 - 5 reasons why problembased learning is an effective teaching method/12 - Becoming a lifelong learner.mp4 3.5 MB
~Get Your Files Here !/2 - The typical classroom/3 - What is a typical classroom.mp4 3.2 MB
~Get Your Files Here !/4 - 5 reasons why problembased learning is an effective teaching method/13 - Using different forms of communication.mp4 2.0 MB
~Get Your Files Here !/Bonus Resources.txt 386 Bytes
Get Bonus Downloads Here.url 181 Bytes

猜你喜欢： Based CourseWikia Learning Pbl Problem com

磁力管家

分享给好友

热门搜索