The need for larger and better gratings became apparent .

对更大、更好的光栅的需求变得突出起来。

Steel gratings and blinds , cctv cameras , security guards at the entry and hidden inside only add to the atmosphere of a battlefield and on-going hostilities .

铁格栅板和百叶窗，闭路电视摄像头，入口处的和隐藏在超级市场内的保安只不过增添了战场和正在进行的敌意的气氛而已。

Using chirped phase mask to fabricate chirped fiber gratings is a very important method .

啁啾相位掩模法是啁啾光纤光栅的一种非常重要的制作方法。

If the grating you require is not shown , please contact us . New gratings are being added to the range constantly .

如果你需要的光栅在表中没有列出，请与我们联系。新光栅将不断地加进表中。

We researched the features of moire fringes formed in different cases and the influencing factors of moire fringes formed by sine gratings and rectangle gratings .

对不同情况下形成的莫尔条纹具有不同特征的复杂情况进行了研究，分析了常用的正弦光栅和矩形光栅所形成的莫尔条纹及其影响因素。