Update README.md

README.md

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 LentilToolBox
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 ===================================  
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 ###Commit
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 A CATIA plug-in that can generate complex shaft parts within CATIA via COM interface automatically.
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 ###About the source code
-Project environment: VS Community 2015.<br /> 
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+Project environment: VS Community 2015.
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 Language: VB & C#
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 ###Instruction
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 Plz Refer to [this](https://github.com/Lentil1016/LTB/blob/master/v1.1/Instruction_v1.1_cn.pdf)
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 ###Current issues
-Can sometimes make the CATIA instance crash.<br /> 
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+Can sometimes make the CATIA instance crash.
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 Can sometimes fail to model at the first time a CATIA instance luanched.
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 ###About this project
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 I'm a mechanical major undergraduate, An amateur on programing stuff.<br /> 
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 These days are busy, I have my machinery design project to do, Update might be slower than usual.
 thanks for your interests. :)