protected subsystem

例句：

1. 1. The new softwareis designed to protect the data from unauthorized access.
   新软件设计用来保护数据免受未经授权的访问。
2. 2. The company's new product line includes several protected subsystems for different applications.
   该公司的新产品线包括几个针对不同应用的保护子系统。
3. 3. The engineers worked on developing a protected subsystemthat could withstand extreme conditions.
   工程师们致力于开发一个能够承受极端条件的受保护子系统。