红外图像具有高背景，低反差，低信噪比等特点。
Infrared image has the features of high background, low contrast and low SNR.
它同时具有高分辨率、低反差和优美的焦外成像。
It has a combination of higher resolution and lower contrast and superb out of focus images.
对焦准确性有所改善，但在近距离和F1.4时，尤其在低反差时，对焦就会稍有前移。
Focus accuracy was generally impressive, although with a certain tendency towards slight front-focus at close distances and F1.4, especially with low-contrast subjects.
本文根据显影液的各组成成份在显影过程中的作用特点，介绍了低反差电镜图像底片及照片的冲洗方法。
This paper introduces the develpment of low contrast electron microscope image negative and photograph, according to the basic composition of the developing liquid and the action of each composition.
本文对农业院校大学生的择业心态进行了调查，调查显示，农业院校毕业生存在较为复杂的择业心态和高期望与低自信之间的较大反差。
The investigation showed that there is more contrast between complicated mentation of choosing occupation and high expectation and low self-confidence of graduate students in agricultural university.
本文对农业院校大学生的择业心态进行了调查，调查显示，农业院校毕业生存在较为复杂的择业心态和高期望与低自信之间的较大反差。
The investigation showed that there is more contrast between complicated mentation of choosing occupation and high expectation and low self-confidence of graduate students in agricultural university.
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