For development of any new weapon system it is necessary to choose a best plan by system analysis.
研制任何新的武器系统，都需要通过系统分析造出最优方案。
Photoelectric collimator is a kind of simple fire-control system equipped on a weapon system.
光电瞄具是配备于某武器系统上的一种简易火控系统。
Photoelectric collimator is a kind of simple fire-control system equipped on a weapon system.
光电瞄具是配备于某武器系统上的一种简易火控系统。
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