从14个光栅中为每个“HR”光具座光谱仪选择光栅。
You choose from among 14 gratings for each "HR" Optical Bench spectrometer.
在原来光具座测量透镜焦距的装置基础上，用CCD代替人眼作接收器时，正确判定焦面是实验的关键。
Linear CCD is used as receiver on behalf of eyes on the basis of originally experimental equipment measuring the focal length of lens.
根据合同条款，DRS将提供LRAS3的关键组件，如集成光具座（IOB）、望远镜、车载支架（VMY）和烟囱组件。
Under the terms of the contract, DRS will provide key LRAS3 sub-assemblies such as Integrated Optical Benches (IOBs), Telescope/Afocals, Vehicle Mounted Yokes (VMYs), and Stovepipes.
根据合同条款，DRS将提供LRAS3的关键组件，如集成光具座（IOB）、望远镜、车载支架（VMY）和烟囱组件。
Under the terms of the contract, DRS will provide key LRAS3 sub-assemblies such as Integrated Optical Benches (IOBs), Telescope/Afocals, Vehicle Mounted Yokes (VMYs), and Stovepipes.
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