scanning beam 扫描射束 ; [电子] 扫描电子束 ; 扫描波束
scanning-beam guidance 扫描波束制导
electron scanning beam 扫描电子束
scanning beam test film 光刃均匀度校验片
Double Scanning Beam 双扫描线
return scanning beam 逆程电子束 ; 回扫电子束
beam scanning 电子束扫描声全息 ; 束扫描 ; 光束扫描
time reference scanning beam 时间基准扫瞄波束
scanning electron beam [电子] 扫描电子束
This photomicrograph was obtained by scanning a beam of electrons across the sample while a detector kept track of electrons bouncing off its surface, betraying the specimen's outer shape.
这幅显微照片是通过扫描穿过样品的电子束而获得的，同时检测器对从样品表面反弹的电子进行追踪，这些电子显示了标本的外形。
The microscope works by scanning a focused beam of electrons across an object.
扫描电子显微镜是通过扫描聚焦在物体上的电子束来工作的。
A single pair of beams does not, however, produce a useful image. To do that requires scanning the object beam through the target about a hundred different ways.
不过仅利用一对光束并不能得到有用的图像，还需要从大约100个不同的角度让物体光束扫描目标。
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