查询词典 half angle

Angle equals one-half arc sine of gravity times distance over velocity squared.

角度等于重力的反正弦乘以距离除以速度平方

Colored lights that emerges does so at an angle of 19 degrees, less than half of

的光散发射出来，这比通常的42 度的一半还要小一些。

Based on the full-width at half-maximum of optical pulse,one can estimate the radius of incident beams and Fresnel biprism's base angle.

根据所测飞秒脉冲的半高全宽，可估算所需光斑大小和菲涅尔双棱镜底角，为菲涅尔双棱镜的选择提供了理论依据。

As supplement, the thyristor three phase bridge half controlled rectifier which is not involved in teaching material is analyzed according to different control angle.

作为补充，对于教材中未涉及的晶闸管三相半控桥整流电路，本文对其不同触发角时的工作波形进行了分析。

In the same circle or congruent circles, the circumferential angles opposite to the same arc or the equal arc are equal, and equal to half of the central angle opposite to the arc; The arcs opposite to the equal circumferential angles are equal.

在同圆或等圆中，同弧或等弧所对的圆周角相等，都等于该弧所对的圆心角的一半；相等的圆周角所对的弧相等。

In the late half of 20th century, the visual angle of Chinee studies in Japan probed to view China using a new light andchanged the old view that seeing China as a backward country lagging behind in the process of modernization.

20世纪后半叶，日本汉学研究的视角改变了以往把中国视为在现代化道路上落伍的后进国家的看法，转换了审视新中国的眼光。21世纪前半叶日本汉学理想的研究视角应当是：我们怎样在认识中国时，把欧洲的现代与社会主义加以相对化？

By extending the VBG external cavity length, and inserting a convex cylindrical lens between external cavity and LDA for transmiting. Phase-locked of external cavity is achieved by tilting of Bragg Grating external cavity. Experiment studied the stability of the in-phase mode far-field output at 35A. Wavelength is locked at 802 nm. The Full-Width Half-Maximum of locked specrum narrowed to 0.2 nm and the corresponding far-field divergence angle is 1.8 mrad.

通过拉长VBG外腔腔长，在VBG外腔和LDA中间插入平凸柱面透镜，采用偏转体布拉格光栅外腔进行外腔锁相研究，在注入电流35A时，获得稳定的同相单瓣模远场输出，波长锁定在802nm，中心主瓣峰值半宽压窄到0.2nm，对应的远场发散角为1.8mrad。

In the new prism, the structure angles of the second half prism were modified so that extraordinary ray is incident with Brewster angle.

新棱镜改变了第二劈的结构角使e光以布儒斯特角入射第二劈入射面。

The change trends of the angular size of the blur spot θ with the f-number and half-field angle uP were concluded.

弥散斑的角宽度θ随着半视场角uP的增大而增大，随着系统f数的增大而减小。

It increases with the increase of the half open angle.

焦距相同的飞行器，半张角大的冲量耦合系数大。

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。