次镜组件是空间光学遥感器中至关重要的一个组件，次镜组件中的柔性铰链又是次镜组件的一个重要组成部分。

The secondary mirror unit is one of the most important part in the spaceborne remote sensor, and the flexure hinge is a crucial component of the secondary mirror unit.

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动力学环境是空间光学遥感器及其组件研制中不可忽视的一个重要因素，因为它会对整机或组件造成结构性的破坏，所以在其研制的不同阶段须进行充分的动力学环境试验。

Dynamics environment is a very important factor for the development of space optics remote sensors because it can bring about damage to the structure of the equipment and its subassemblies.

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