... 发射人员训练导弹 launching-crew-training missile; 发射摄谱仪 emission spectrograph; 发射时间 launch time; T-time; time to go; ...
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... 电子摄谱仪 spectrograph; electron 发射摄谱仪 spectrograph; emission 光栅摄谱仪 spectrograph; grating ...
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... 电子摄谱仪 spectrograph; electron 发射摄谱仪 spectrograph; emission 光栅摄谱仪 spectrograph; grating ...
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随着科学相机和摄谱仪低温试验的完成以及最后飞行镜片(副镜)的安装，NASA的詹姆斯·韦伯太空望远镜最近进一步接近了发射。
NASA's James Webb Space Telescope just got a little closer to launch with the completion of cryogenic testing on its science cameras and spectrographs and the installation of the final flight mirrors.
方法：用平面光栅摄谱仪拍摄未知样品之原子发射光谱图，并作定量分析。 结果：测定营养品中微量元素的含量。
Methods:Use the Grating Spectrograph to take photograph of atomic emission spectrum of unknown sample and make quantitative analysis Results:Quantitative determination of trace elements in nutriment.
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