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.
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