它包含一个控制访问对象的安全核心，位于其上的是一些实现基本功能的模块，如加密和数字签名、证书管理、安全会话、数据密封等。
On top of the kernel are some modules which implement basic functions, such as encryption, digital signature, certificate management, secure session and data enveloping.
以汽车密封条转接头管状部分点云数据为实例，详细介绍了通过开发的特征线模块进行汽车密封条截面特征线提取的方法。
Use car's sealing strips point cloud data, it is introduced in detail which car's sealing strips section characteristic curve extraction method with developed characteristic curve extraction module.
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