他看似孤身一人，事实上整条大街熙熙攘攘。只是他身旁的车流人流移动太快而无法被需要10分钟时间曝光的照相机捕捉下来。
He seems to be all alone in what was actually a busy street-the carts and the people around him were moving too fast to be fixed by the 10-minute exposure.
美国发明家萨缪尔·摩尔斯看到用达盖尔照相法拍的巴黎街景里一个人都没有时，不禁大吃一惊，后来才明白是因为曝光时间过长，移动物体都变得看不见了。
Samuel Morse was astonished to learn that Daguerrotypes of streets of Paris did not show any humans, until he realized that due to the long exposure times all moving objects became invisible.
夜间摄影需要长时间曝光，这就意味着月亮可能会在曝光期间有很明显的移动。
The long exposure time required for moonlight photography often means that the moon may have moved significantly over the course of the exposure.
随着曝光量的增加，其共振波长向长波方向移动，共振峰强度先增大继而减小。
With the increase of UV exposure, the resonance wavelength shifts toward longer wavelength and resonance peak intensity increases first and then decreases.
介绍了用数码遥控器改装移动X线机曝光手闸的过程和电路原理。
Describes the refitting and electric circuit principle of the exposure handbrake for mobile X-ray machine with digital remote controller.
为了研究冲击问题，需要很短的曝光时间和较高的画幅移动速率。
For the study of impact problems, very short exposure times and high picture repetition rates are required.
要对移动物体拍照的相机元件需要短时间曝光以避免失真。
Camera sensors acquiring images of a moving object require a short exposure time to avoid blur.
相对于传统PID主从同步控制方法，同步偏差的移动平均差减小18.2%，移动标准差减小61.5%，可以保证光刻机的曝光效果。
Compared with the conventional PID masterslave control method, the move mean difference is reduced by 18.2% and the move standard deviation is reduced by 61.5%, and the exposure effect can be ensured.
一个装有可移动样品架的曝光室坐落在超净室中。
An exposure chamber with movable sample holder is located in a super clean room.
论述了岛津MU125移动式X线机线路组成；不曝光及报故障代码F2的检修分析过程。
The paper introduces the circuit subsystem of MU125P mobil X-ray system, and analyzes and maintains its unexposed malfunction with error code of F2.
论述了岛津MU125移动式X线机线路组成；不曝光及报故障代码F2的检修分析过程。
The paper introduces the circuit subsystem of MU125P mobil X-ray system, and analyzes and maintains its unexposed malfunction with error code of F2.
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