查询词典 beam-focusing

Introduce general technique of platting control system and some kings of domestic spurting beam Analyse merits and demerits of spurting beam in different structure according to structure analysis test and use condition .

介绍对板形控制系统通用技术以及几种国产喷淋梁的特点，通过对喷淋梁的结构分析，结合喷淋梁的调试和使用情况，对不同结构的喷淋梁的优缺点进行简要的分析。

This article through carries on the analysis to the Fu-Chao highway roadbed T-beam prefabricate d situation,summarizes T-beam to prefabricate in the process the common question as well as the preventive measure,only supplies the reference.

本文通过对阜朝高速公路路基T梁的预制情况进行分析，总结出T梁预制过程中常见的问题以及预防措施，仅供参考。

According to the theory of beam phase space , the projective density distributions in four dimensional and two dimensional trace space are derived for some space charge distributions often used in accelerator physics. And, the relation between beam emittance and brightness with density distributions is developed too.

针对加速器中几种常用的束流密度相空间分布形式，根据束流相空间理论，推得了它们在四维和二维径迹空间中的投影密度，并给出了束流发射度和亮度与束流密度分布的关系式，为加速器束流测量和束流诊断提供理论依据。

It is well known that the Besel beam is a 2dimensional diffraction-free beam with an infinite pulse length.

这对于任何一种实用的加速器都是难以容忍的。

The offset of the beam position monitor with respect to the magnetic center of the quadrupole can be determined by the method of the beam-based alignment.

介绍了基于束流的准直的基本原理和在BEPC储存环上的初步实验结果，以及对今后进一步开展该项实验研究的设想

Like the searchlight beam, the radio beam cannot be made very sharp; it tends to spread.

无线电射束也象探照灯的光束一样，是不能高度集中的；它总要散开。

The radio beam can be thought of as a light beam. The reading antenna illuminates a well-defined zone.

这种超高频率电波类似光源自动照射的范围，具有区域性。

An antenna array that is truly smart would be able to aim a radio beam directly at a mobile user instead of choosing a beam that comes relatively close.

一个真正聪明的阵列天线，必须能够直接把波束瞄准行动用户，而不是选用与用户较为接近的波束。

The transmitter stays put, with its radio beam pointing in the direction we wish to explore, and the sail travels along the beam, picking up momentum from the radio saves.

发射器固定不动，它的无线电波指向我们希望深测的方向；探测器沿着电波的方向运动，从无线电波获取动力。

A radio telescope's beam depends on the diameter of its dish; the bigger the dish, the narrower the beam.

射电望远镜的光束依赖于抛物面直径的大小：抛物面越大，光束越窄。

Finally, according to market conditions and market products this article paper analyzes the trends in the development of camera technology, and designs a color night vision camera.

最后根据市场情况和市面上产品的情况分析了摄像机技术的发展趋势，并设计了一款彩色夜视摄像机。

Only person height weeds and the fierce looks stone idles were there.

只有半人深的荒草和龇牙咧嘴的神像。