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单词 tetrant
释义 tetrant|ˈtɛtrənt|
[ad. L. tetrans, tetrant-em (Vitruv.), ad. Gr. τετρᾶς.]
= quadrant n.1 4 (b).
1860Weale Dict. Terms (ed. 2), Tetrants, the four equal parts into which the area of a circle is divided by two diameters drawn at right angles to each other.
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更新时间:2024/9/20 5:46:15