炮弹引信炮口保险距离设计指标不但与弹丸威力有关，还涉及弹丸初速。
And the design requirements of the muzzle safe distance of the projectile fuze are concerned with not only the power of the projectile, but also its muzzle velocity.
炮弹引信炮口保险性能是一项重要的安全性能，因而其设计指标也一直是广泛关注的焦点。
The muzzle safety of a projectile fuze is an important safe performance, so its designing requirements are widely given ones attention to.
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。
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。
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.
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