光束

In this thesis we investigate the beam propagation and amphoteric refraction in a Uniaxially anisotropic crystal.

本文在理论上研究了单轴晶体中的光束传输和正负折射现象。

The measurement of hel beam far field with hole grating beams ampler .

孔栅分束镜测量强激光远场光束质量的研究。

The easurement of hel beam far field with hole grating beams ampler.

孔栅分束镜测量强激光远场光束质量的研究。

Burner to provide the "analog recording" and "burn" the difference is whether or not the order of laser beam shot, while others are exactly the same operation, that is to say,"burn simulation" to test whether or not the source of the normal CD-ROM, hard drive speed is fast enough, the remaining disk space to burn, such as the adequacy of the state of the environment, but can not burn the disc to be tested if there is a problem and the burner's laser to read and write the first match power with the disc and so on.

刻录机提供的"模拟刻录"和"刻录"命令的差别在于是否打出激光光束，而其它的操作都是完全相同的，也就是说，模拟刻录＂可以测试源光盘是否正常，硬盘转速是否够快，剩余磁盘空间是否足够等刻录环境的状况，但无法测试待刻录的盘片是否存在问题和刻录机的激光读写头功率与盘片是否匹配等等。

The relation between modified angle and structure angle was given at 303nm, and the relation of the deviation angle with wavelength was also investigated.

以303nm波长为例，给出了修正角与结构角的关系式；还研究了透射光束的偏离角与波长的关系，并通过数值计算软件进行了分析。

Two coherent laser beams derived from a single source intersect at a fixed angle. The intersection volume of the two beams is positioned on the sample surface.

多普勒激光引伸计工作原理来自同一激光源的两个相同的激光束以固定的角度交叉，两个光束的交叉部分定位在试样表面，两个激光束的波阵面影响交叉部分的大小，并形成一个干涉图。

The mutual interference problem between the components caused by the limitation of the intersection angle of the incident light beams and the dissymmetry of geometrical arrangement is solved by a data processing system composed of electronic mixer and data solver.

由电子混频和数据解算装置所组成的数据处理系统，解决了由于入射光束交角的限制及几何布置不对称性所造成的分量间相互干扰问题。

In this system, the gratings are inscribed by the UV interference fringes of 248 nm derived from a rotatable biprism, where the phase mask is used as a beam splitter, and the biprism is rotated to change the intersection angle of two beams.

在该系统中，光纤光栅是由来自可旋转双棱镜所形成的波长为248 nm的紫外干涉条纹写入的，其中，相位掩模被用作1级衍射光的分束器，通过双棱镜的旋转可改变两写入光束的交叉角。

Two coherent laser beams derived from a single source intersect at a fixed angle. The intersection volume of the two beams is positioned on the sample surface. The wavefronts of the two beams interfere in the intersection volume and form an interference pattern.

来自同一激光源的两个相同的激光束以固定的角度交叉，两个光束的交叉部分定位在试样表面，两个激光束的波阵面影响交叉部分的大小，并形成一个干涉图。

According to dispersion relations, The relations of the incident angle, reflection angle and refraction angle equations with bicrystal parameters and wave vector are obtained respectively. The variation of the reflection angle and refraction angle with the incident angle for certain bicrystal parameters is presented by angle quations.

根据晶体的色散关系解出了入射角、反射角和折射角关于晶体参量及波矢的方程，并根据角度方程给出了在一定参量下反射角和折射角关于入射角变化的关系图，以图示的方法显示了光束在界面处的异常性质。

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％。