Norelco back-reflection Laue camera 诺尔科反射劳厄摄影机 back-reflection x-ray exami 背面反射 back reflection X-ray examination 背射X射线检验 ..
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多次背面反射 Multiple back reflections
背面反射X射线照相机 back reflection X-ray camera
背面反射聚焦照像机 back-reflection focusing came
背面反射针孔照像机 back-reflection pinhole camera
背面反射选项 Options reflect on backside
在背面反射 reflect on backside
背面反射式荧光屏 mirror backed fluorescent screen
背面反射损失 Loss of back reflection
背面镀银反射镜 rear-silvered mirror ; back-silveredmirror
当蝗虫群被发现时，科学家会用铲子弄来一些虫子，然后在它们的背面贴上反射镜。
When a swarm is detected, the scientists will scoop up a few dozen insects and glue little reflectors on their backs.
反射镜的背面应经常与空气接触但无需通风。
The reverse side of the mirror should be in continuous contact with air without needing ventilation.
反射镜的背面应经常与空气接触但无需通风。
The reverse side of the mirror should be in continuous contact with air without needing ventilation .
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