Practice proved that this is a easy and reliable way to decide the optimal infrared image surface position of the catadioptric systems.

实践证明，这是确定这类光学系统最佳像面的一个方便、可靠的方法。

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A method is introduced for testing stray light coefficient, vignetting coefficient and image surface uniformity optical system with large aperture and long focal length.

叙述一种用于测试大口径、长焦距光学系统杂光系数、渐晕系数、像面照度均匀性等光学参数的检测方法。

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Then, image surface position was kept steady during a zooming process by controlling the spherical aberration of front fixed group and the focal length of back fixed group.

之后，通过合理控制前固定组球差及后固定组焦距，使变焦过程中的像面保持稳定。

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The artist draws an image with oily ink onto a piece of stone or other flat surface.

VOA: special.2009.09.02

Rather than by forming an image or a picture you put electrodes on the surface of the body and measure the electrical potential as a function of position on the body.

它并不对人进行直接的造影,而是将电极放到身体表面,通过测量该位置电势能,表征该部位的生理状态

耶鲁公开课 - 生物医学工程探索课程节选

And just as in that earlier poem the act of fishing is symbolically resonant "The Fisherman" is an image of man searching the depths of the world for the wisdom that hides beneath the surface of things.

和以前的事一样,也是有象征意味的,渔夫是一个探索世界的深邃,和隐藏在事物表面下的智慧,的一个人物形象。

耶鲁公开课 - 现代诗歌课程节选

What the company has to show for itself today is a black box about the size of an old VHS cassette which, standing upright, can project a 10-inch wide image onto any surface.

FORBES: Meet The Projector That Could Put The iPhone's Screen On Your Desk

Group narcissism takes over, as Generation-i falls in love with its own image reflected on the surface of the cybersphere.

WSJ: David Gelernter: The Pros and Cons of Cyber-English

That makes the precise location of the surface where the image is to be formed much less important, because any particular plane at any given location will receive more or less the same pattern of light rays.

ECONOMIST: MONITOR