quadrant

英 ['kwɒdrənt] 美 ['kwɑːdrənt]

• n. 四分之一圆周；象限；象限仪

英英释义

Noun:

1. a quarter of the circumference of a circle

2. any of the four areas into which a plane is divided by two orthogonal coordinate axes

3. the area enclosed by two perpendicular radii of a circle

4. a measuring instrument for measuring altitude of heavenly bodies

例句

用作名词 (n.)

1. A symbol appears in an upper quadrant of the screen.
   一个符号出现在屏幕上端的四分圆的地方。
2. The line AB lies in the second quadrant.
   线段AB是处在第二象限中。

经典引文

• The circles were broken by four main aisles that divided the seating into four quadrants.

  出自： M. Hughes

词汇搭配

• quadrant scale 扇形天平
• quadrant antenna 直角扇形天线,正方形...
• quadrant tooth 扇形齿轮
• quadrant depression 俯角
• quadrant latch 掣子弧形板
• rudder quadrant 方向舵扇形体...
• meridian quadrant 子午线四分仪...
• quadrant elevation 仰角
• quadrant plate 挂轮板
• bubble quadrant 汽泡水准测角仪...
• quadrant iron 扇形钢材,方钢...
• quadrant electrometer 象限静电计
• quadrant bracket 扇形托架
• azimuth quadrant 地平象限仪
• quadrant angle 象限角,射角...
• cardinal quadrant 主部

近反义词

【近义词】

• quarter-circle [数]四分之一圆周...