fuze safety and arming device的意思|示意

The fuze safety system is not just an absolute sub-system in fuze, and is not equivalent to safety and arming device.

引信安全性设计是引信的核心技术之一，引信安全系统是引信安全性设计的主要体现形式。

The frame of electro-mechanical safety and arming device (S&A) is established, and the electro-mechanical S&A for the mortar shell fuze is designed at the end of the paper.

最后构建了引信机电式安全系统的系统框架，并结合迫击炮弹引信开展了机电式安全系统的设计。