本文推导了在全息光学元件上细光束象散计算的全套公式。

In this paper a series of formulas for calculation of astigmatism formed by tiny light beam on a HOE plate have been derived.

youdao

从造型角度，其上细下粗，重心靠下，给人的视知觉以稳定感和舒适感；

From the angle of the modeling, sunray resembles a cone and its centre of gravity below halfway, which gives our visual perception stability and comfort.

youdao

高塔应属美之物，在古埃及，成对下粗上细的塔门标出庙宇的入口，基督教建筑师也借用哥特教堂前面竖上双塔的想法。

A pylon is supposed to be a beautiful thing. In ancient Egypt, pairs of tapering stone towers called pylons marked the entrances of temples.

youdao

They click upon themselves as the breeze rises and turn many-colored as the stir cracks and crazes their enamel.

一阵风吹起，树枝就咯喇喇响,闪射出五彩缤纷，原来这一颤动,冰块坼裂成瓷瓶上的无数细纹。

耶鲁公开课 - 现代诗歌课程节选

With a thousand pains that vision's face was grained; Yet no blood reached there from the upper ground, And no guns thumped, or down the flues made moan.

惊恐中担心想象中的那些脸庞有了细纹;,前方的战场上没有血流成河，没有枪炮的轰鸣，或者向下指着的冒烟的枪口下的哀求。

耶鲁公开课 - 现代诗歌课程节选

So, Sal is convinced--he wants to be convinced; he desperately wants to be convinced--that Mississippi Gene knows Big Slim Hazard. Let's look at another example on page 59.

所以萨尔信服了，他想要被说服;,他极其渴望被说服，很愿意相信吉恩,认识细杆哈查德，让我们来看59页上的例子。

耶鲁公开课 - 1945年后的美国小说课程节选