Fixed-mirror systems have drawbacks, however, they cannot track the sun to optimize performance and sometimes distracting patterns of lines of bright light and dark shade are formed.

固定反射镜系统存在缺陷，它不能循导太阳光以使其得到充分利用，并且有时会转移亮光的路线并产生阴影。

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The gadget is made up of 7 individual mirrored panels with one main mirror fixed to a wall and the others attached to 2 extendable arms on either side.

这种镜子由7个镶镜的板组成，其中，主镜固定在墙上，其它镜则连在主镜两侧，成为镜翼，并可折叠在一起。

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Fixed image corruption which could occur when the mirror driver was used.

使用了镜像驱动程序时可能会出现修正图像损坏。

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Miri will be fixed inside a cage-like structure called the Integrated Science Instrument Module and positioned just behind the big mirror.

BBC: Science & Environment