grat的例句大全

It shows that development of 60 Hz product hazed on 50 Hz product needs special construction of cavitation erosion. Improvements on construction, wear and reduction of vibration and noise are of grat importance.

研究表明，在50Hz产品基础上开发60Hz产品，重点考虑汽蚀，结构，磨损、减振、降噪方面的改进具有重要意义。

The article touches upon the principle of displacement measuring system consist-ing of diode laser focusing lens, reflecting main scale grating, quarternary index scale grat-ing photosensor.

系统由半导体激光器、聚焦镜头、反射式标尺光栅、四裂相指示光栅和光电接收元件组成。

In this paper, based on the structure characteristic of array waveguide grat-ing ( AWG), and the approximately arithmetic Bloch function, the structure mode of a planar array of taped waveguides is made.

基于阵列波导光栅（AWG）的结构特点，采用Bloch函数近似算法，建立了锥面波导的结构模型，考虑信号在波导中的辐射特性，讨论锥面AWG能量密度及其散射特性。