quadrants的翻译，读音
释义：
n. 象限（quadrant的复数）
n a quarter of the circumference of a circle
n any of the four areas into which a plane is divided by two orthogonal coordinate axes
n the area enclosed by two perpendicular radii of a circle
n a measuring instrument for measuring altitude of heavenly bodies
n a quarter of the circumference of a circle
n any of the four areas into which a plane is divided by two orthogonal coordinate axes
n the area enclosed by two perpendicular radii of a circle
n a measuring instrument for measuring altitude of heavenly bodies