名词
中文翻译：Unknown
同义词：
['negative refraction', 'negative optical birefringence例句：1. The crystals exhibitnegative birefringence when viewed undera polarizing microscope.（在偏光显微镜下观察时，这些晶体显示出负双折射现象。）2. This material has been foundto have negative birefringence propertiesthat can be utilized in various applications.（这种材料被发现具有负双折射特性，可以在各种应用中使用。）3. The negative birefringence of the crystals is dueto the presence of defects within them.（晶体的负双折射现象是由于其中存在缺陷所致。）']
例句：
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1. The crystals exhibitnegative birefringence when viewed undera polarizing microscope.
在偏光显微镜下观察时，这些晶体显示出负双折射现象。
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2. This material has been foundto have negative birefringence propertiesthat can be utilized in various applications.
这种材料被发现具有负双折射特性，可以在各种应用中使用。
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3. The negative birefringence of the crystals is dueto the presence of defects within them.
晶体的负双折射现象是由于其中存在缺陷所致。