For grating in the optical pick-up head, the compensability between the longitudinal and transverse error practical references on the manufacture of grating.
对光学头分束光栅，其纵向加工误
与横向加工误
在
互补性，对光栅具体制作有着实
参考价值。
For grating in the optical pick-up head, the compensability between the longitudinal and transverse error practical references on the manufacture of grating.
对光学头分束光栅，其纵向加工误与横向加工误在互补性，对光栅具体制作有着实参考价值。
It is shown that test aerospike nozzle has good altitude compensability of thrust.
实验表明，塞式喷管具有良
度补偿能力和较效率。
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