在教学实践过程中，我们发现训练教程中由后抱腰和由后夹颈两种解脱技术存在着比较明显的缺陷。

In the teaching practice, we found that the Get-free techniques to Hugging Waist from the Back and Pincer Attack at the Neck from the Back have obvious defects.

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浏览并选择代码解压缩后所在的文件夹，然后单击ok。

Browse and select the folder that you unzipped the code to and click OK.

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将JAR文件放入到此文件夹后，需要重新启动服务器。

You need to restart the server after the JAR files are placed in this folder.

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