当首次使用或者更换了使用环境的情况下需要手动校正一次，当开机完毕后，就可执行校正。

When the case of first use or replace the use of the environment require manual correction once, when the boot is complete, you can perform the correction.

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结果表明，所需的校正自由度的个数不仅与展开机构的复位精度有关，而且与分块镜镜面的几何参数有关。

The results show that the restoration error not only depends on the accuracy of the deployable mechanism, but also depends on the geometric parameters of the segmented mirrors.

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