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Diameter
01
直径
a straight line from one side of a round object, particularly a circle, passing through the center and joining the other side
02
直径
a straight line connecting the center of a circle with two points on its perimeter (or the center of a sphere with two points on its surface)
例子
In astronomy, the diameter of celestial bodies such as planets and stars provides crucial information about their size.
The diameter of a circle is the longest distance between any two points on its circumference, passing through the center.
The technician used a caliper to determine the diameter of the bearings needed for the machinery repair.
To calculate the circumference of a circle, you need to know its diameter and use the formula π × diameter.
To calculate the circumference of a circle, you need to know its diameter and use the formula π × diameter.
