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Quadrant
01
象限仪, 用于测量天体高度的仪器
a measuring instrument for measuring altitude of heavenly bodies
02
象限
one-fourth of a circle, formed by two perpendicular radii and the connecting arc
Example
Each quadrant of a circle represents one-fourth of the circle's area.
The angle of a quadrant is 90 degrees because it is formed by two perpendicular radii.
In a pie chart, each section can be divided into quadrants for detailed analysis.
03
象限
any of the four areas into which a plane is divided by two orthogonal coordinate axes
04
象限, 圆的四分之一
a quarter of the circumference of a circle
