quadrant
quadrant
noun
quadrantal
adjective
语源
noun
- (technical)each of four quarters of a circle
(技)四分之一圆周，九十度弧
■each of four parts of a plane, sphere, space, or body divided by two lines or planes at right angles
（两条直线垂直相交划出的）四分之一平面；（两个平面垂直相交划出的）四分之一球体（或空间，物体）
the right upper quadrant of the kidney.
肾脏右上方的1/4。
■(historical)an instrument used for taking angular measurements of altitude in astronomy and navigation, typically consisting of a graduated quarter circle and a sighting mechanism
(史)象限仪，四分仪
■a frame fixed to the head of a ship's rudder, to which the steering mechanism is attached
扇形舵柄
■a panel with slots through which a lever is moved to orient or otherwise control a mechanism
直角换向器
quadrantal
adjective
语源
- late Middle English (denoting the astronomical instrument): from Latin quadrans, quadrant- 'quarter', from quattuor 'four'
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- simperingly adv.假笑地，皮笑肉不笑地
- simple adj.简单的,单纯的,易受骗的,天真的 n.笨蛋,愚蠢的行为,出身低微者
- simplehearted adj.心地纯洁的，纯朴真诚的，天真无邪的
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- simpleness n.简单，单纯
- simpleton n.头脑简单的人，傻子
- simplex adj.单纯的，单一的 n.单层公寓,单形
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