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。

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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。

youdao