The essence of two kinds of diffractive process is spatial Fourier transformation.

两种衍射过程的实质是空间傅里叶变换。

The excipient of the drugs did not interfere with the main specific diffractive peaks.

制剂中的辅料不干扰对主要特征衍射峰的判断；

Four kinds of laser source are used to measure the diffractive efficiency of Fresnel lens.

使用四种不同光源，对菲涅耳透镜的衍射效率进行测试。

There have been rapid developments in the research of diffractive optics for the past decade.

衍射光学是近年来光学领域中最具活力的研究方向之一。

It is pointed out that the linewidth error has very large effect of BOEs diffractive efficiency.

指出线宽误差对二元光学元件衍射效率影响较大。