介绍了电动投弹器周期测量系统的设计方法，并给出了较为详细的硬件组成及软件设计方法。

This paper introduced the design method of the period measure system of electronic bomb controller, offering the detailed hardware constituents and the software design method.

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生命周期体系架构里程碑为系统的体系架构建立了一个受控的基线，并令项目团队在构构建段进行测量。

The Lifecycle architecture milestone establishes a managed baseline for the architecture of the system and enables the project team to scale during the Construction phase.

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但是对于相互间不发生交互的双星系统，当它们旋转着接近对方时，天文学家就可以精确地测量出其公转周期的改变量。

With a noninteracting pair, astronomers can precisely measure the change in the orbital period of the stars as they spiral toward each other.

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