quadrant
美音:[´kwɔdrənt
]
英音:[´kwɔdrənt
]
n.象限,四分仪 信号区
难易程度:
quadrant为短语/超纲词汇
近义词, 同义词
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.
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
[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
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