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quadrant

美音:[´kwɔdrənt ]点这儿播放单词美音发声
英音:[´kwɔdrənt ]点这儿播放单词英音发声
n.象限,四分仪 信号区

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quadrant为短语/超纲词汇

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quadrant


/'kwɒdrənt; `kwɑdrənt/
n
1 quarter of a circle or of its circumference 圆的或圆周的四分之一; 象限. =>illus at circle 见circle插图.
2 instrument with an arc of
90 marked off in degrees, for measuring angles 象限仪; 四分仪.

quadrant


n[C]
[Date: 1300-1400; Language: Latin;Origin: quadrans 'fourth part']
a quarter of a circle
an instrument for measuring angles, used when sailing or looking at the stars
图例解释