英德
有道
百度
谷歌
图片
维基
百科
暗视场 [àn shì chǎng]
[光] dark field
dark ground
dark ground
- 没有晶体时，视场是暗的；而晶体插入时，视场就转为明亮。
The field of view , dark in the absence of the crystal, becomes light when the crystal is inserted. - 使用视频采集卡将流速变化过程回放采样，得到暗视场下的荧光图像。
The recorded videotape is replayed to sample dark background fluorescent images through frame grabber. - 结果显现指纹清晰，通过与定向反射、暗视场照相方法进行比较，偏振光照相效果明显好于其他光学方法。
Result To compare with the directional reflection photography and darkfield photography, polarization photography is better than the other methods.
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