名词
中文翻译：负相位对比度
同义词：
['negative contrast', 'negative contrast imaging']
例句：
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1. In this experiment, we used negative phase-contrast to observe the structure of the sample.
在这个实验中，我们使用负相位对比度来观察样品的结构。
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2. The negative phase-contrast technique is widely used in medical imaging.
负相位对比技术在医学成像中被广泛使用。
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3. The negative phase-contrast method helps us to distinguish between different objects with similar shapes and sizes.
负相位对比方法有助于我们区分形状和大小相似的不同物体。