“third quadrant”的概念、定义、翻译、参考文献-科学参考

单词	third quadrant
释义	third quadrant [`thǝrd `kwä·drǝnt] ^MATHEMATICS 1. The range of angles from 180 to 270°. 2. In a plane with a system of cartesian coordinates, the region in which the x and y coordinates are both negative.
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