A dark field alignment system using optical dark field technique and reflecting the dark field wafer information toward the photomultipler tube is presented.
暗场对准技术是利用光学暗场成像原理和微光真空光电探测技术，使投影光刻硅片上的标记获得大幅值、高信噪比的对准信号通过双池偏差优化软件，借助计算机进行采样控制和数据处理，从而获得很高的对准精度。
From the experiment,it is shown that intensity of the pixel in dark frame follows the normal distribution.
其中热噪声Hn与读出噪声Rn最为核心,采用拍摄暗场帧的方法对其进行实验研究。
Just as in the dark-ground method phase objects are then perceptible.
正象在暗场法中一样，相物体这时就可以看见了。
dark field microscope
暗视野显微镜，暗视场显微镜
dark field microscopy
暗视野显微术，暗视场显微术
The lights went down in the theatre just before the play began
戏剧开演前，剧场内的灯光暗了下来。
Our struggle also had its dark side.
我们的这场斗争也有它的阴暗面。
Lu Hsun s Despair:Voice of the Dark-Hearted People Present;
鲁迅的绝望:心灵黑暗的在场者的声音
Detecting latent fingerprint with combination of dark-field illumination and monochrome photography;
暗视场照明与分色照相配合显现指印
Study of Quintom Dark Energy Model in Spinor Field
旋量场中Quintom暗能量模型的研究
The analysis of the background of the CATR in the anechoic chamber at X-band in time domain
微波暗室紧缩场X波段时域背景分析
Dark energy served by Tachyon field with symmetrical property
具有对称性的tachyon场作为暗能量
Like the first blush of winter that signals a great migration.
就像第一场冬季的寒流，暗示着一场巨大的迁徙。
It is important that you bear in mind that we do not want any dark brown item, as they is unsaleable.
请注意，暗褐色的产品在本地市场不好销售。
Owing to dark officialdom, he was exiled to the West of China.
嘉庆年间由于官场黑暗,他被清廷流放西域。
The most spectacular battle was fought in the south in the dark.
最触目惊心的一场战斗，是黑暗中在南面进行的。
It was implied by his non-committal opening remark.
这在他那篇模棱两可的开场白中暗含着。
Reports in Italy suggest that Juventus are close to announcing the capture of Lyon midfielder Tiago.
意大利媒体暗示尤文接近签下里昂中场蒂亚戈.
Please dim out the stage for the final scene
请在最后一场即将开演时使舞台灯光转暗。
A sad and somber funeral with the body still breathing."
一场悲伤的，阴暗的葬礼，虽然这个身体还有呼吸。”