On the basis of position information and TFT liquid crystal light valve, high quality simulation of star map is performed.

根据位置信息，采用TFT液晶光阀，以实现高质量的星图模拟；

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The cutting-type star dust discharge valve can perform cutting to a falling filter bag, and ensures the normal operation of the dust discharge valve.

本实用新型的切割型星型卸灰阀可以对落下的滤袋进行切割，保证卸灰阀正常运转。

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Whether the component is a motor, a control valve, a star tracker, an antenna or a chip, it is simpler to look for non-American alternatives.

ECONOMIST: Space technology