1.
Fresh as the first beam glittering on a sail,
新如帆上闪烁的第一束光线，
2.
Roger Bacon's writings were like a flash of light in a profound darkness.
罗杰-培根的著作就像茫茫黑夜中的一束光线。
3.
Investigations on Transmission Properties of Beam in One Dimension Nonlinear Waveguide Arrays
一维非线性波导阵列中光束传输特性
4.
A thin line or narrow beam of light or other radiant energy.
光线，放射线极细的一条或极窄的一束亮光或其它辐射能
5.
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。
6.
Reflection: The changing of the direction of the path of light ray by means of a surface.
反射:借一个表面，把光束的路线改变的情况。
7.
Far-Field Divergence Angle and Directionality of One Dimensional Off-Axis Gaussian Beams
一维线阵离轴高斯光束的远场发散角和方向性
8.
A New Smoothing Approximation Method for Mathematical Programs with Nonliear Complementarity Constraints
非线性互补约束均衡问题一个新的磨光逼近法
9.
ravel (out) the skein of wool
拆散一束 [绞] 毛线
10.
linear beam type smoke detector
光束线型感烟探测器
11.
an atmospheric phenomenon consisting of bands of light caused by charged solar particles following the earth's magnetic lines of force.
一种大气现象：充电的光子穿过地球磁力线造成的几束光。
12.
FSO is also secure: the only way to intercept the signal is physically to intercept the beam.
无线光通信也很安全：阻断信号的唯一办法就是物理阻断光束。
13.
Photon Beam Position Monitor for Hefei Light Source Undulator Beamline
合肥光源波荡器光束线光位置检测器
14.
well-collimated beam
直线状注流，良好准直光束[电子束]
15.
a beam of light generated by a laser.
由激光器发出的一束光。
16.
laser beam line-type smoke detector
激光光束线型感烟探测器
17.
Cathode-ray tube (CRT): Vacuum tube that produces images when its phosphorescent surface is struck by electron Beams.
阴极射线管:一种真空管,当电子束打在其磷光表面会产生影像。
18.
a hair-thin fiber made of glass that functions as a waveguide for light; used in bundles to transmit images.
一种头发粗细的纤维，由玻璃制成，能传导光线，成束使用以传输图像。