光束

Especially, as an important consequence, the light intensity on the transverse plane perpendicular to the propagation axis is given.

作为一个重要的特例情况，文中还给出了横截面上的光强公式，这个结果可用来对非傍轴光束的强度二阶矩及M2因子等物理量进行研究。

A small flay, attached to this body, intercepts a beam of light coming from a source and directed to a photocell

附在该物体上的光罩截取对着光电管的光束。报章也是课堂辅助教材的主要来源。来源可靠的证据。

A small flay, attached to this body, intercept s a beam of light coming from a source and directed to a photocell

附在该物体上的光罩截取对着光电管的光束。

The photochemistry beamline and experimental station at National Synchrotron Radiation Laboratory in Hefei are described briefly.

扼要描述了本文所用的国家同步辐射实验室的光化学光束线和实验站的基本构造。

In the field of polarization imaging and laser power measurement, an obvious error can be produced due to the effect of light polarization state on a photodetector in any polarization-dependent quantitative measurement.

在偏振成像和激光功率测量技术领域，凡涉及偏振光的定量测量，都会由于光束的偏振态对探测器的影响而产生显著的误差。

The excimer laser as the main light source of photolithographic device, whose energy distribution is required as homogeneous as possible.

准分子激光作为当前光刻装置的主要光源，要求其输出激光光束强度分布尽量均匀。

The application of FIA two-beam photometer to flow injection analysis is studied.

开展了流动注射分析在双光束光度计上的应用研究。

Specially placed mirrors reflected sunlight onto a diaphragm attached within the mouthpiece of the photophone.

光束通过专门设计的镜子把太阳光反射到话筒的震动片上。

When the picket fence is through the beam, click "STOP" to end recording.

当栅栏穿过光束后，单击"停止"按钮结束记录。

To find the acceleration of the cart, the cart will be started from rest and a "picket fence" mounted on the cart will pass through the photogate beam.

要找出小车的加速度，小车将从静止开始运动，安装在小车上的"栅栏"将穿过光门的光束。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。