查询词典 Fresnel

In the second chapter,I calculate the diffractive efficiency when there arealignment error,depth error of the step and the work was elength error,based on the theory ofthe fresnel lens.

第二部分文章在介绍菲涅耳透镜设计原理和衍射效率计算的基础上，重点分析了存在各种加工误差时候的衍射效率的计算情况。

"Refinements in lenses (e.g., the Fresnel lens) and reflectors made it possible to substantially increase the light's intensity ."

而利用透镜和反光镜的辅助设备可使灯光强度倍增。

The object for each of these lenslets is the image of the LED that would be formed by the Fresnel lens.

采用高亮度发光二极管，用菲涅尔透镜和柱透镜阵列使光线集中在用户眼睛上，大幅度提高图像亮度，由于左右眼看到的图像不一致，产生视差，形成立体感。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。