离焦 meaning in English

out of focus

Electronographic star images appear soft and out of focus .
电子照相得到的星象看起来模糊，似乎是离焦的像。
Discussion about off - focus influence on mtf for long focus aerial camera
长焦距航天遥感相机离焦对传递函数的影响
Research on focusing system characteristics and defocusing application in laser direct writer
激光直写调焦系统特性及离焦应用研究
Two detectors are used both in conventional differential astigmatic device and the device given in this paper
与差动像散离焦检测原理相同的是,二者都是采用双探测器进行测量。
Firstly , basic theories and methods of autofocus based on image processing are studied in detail
首先，本文研究了基于数字图像处理自动对焦的基本理论与方法? ?对焦深度法和离焦深度法。

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