翻译
semimajor axis
释义
- (椭圆的)半长轴
实用场景例句
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Either half of the major axis is called a semimajor axis.
长轴的每一半叫做半长轴.
辞典例句
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Noun
1. one-half the major axis of an ellipse; the distance from the center of an ellipse to one end
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