名词
中文翻译：颈半径
同义词：
['neck radius', 'neck radius of acircle']
例句：
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1. Theneck radius of the car is too small, which makes it difficult to turn.
汽车的颈半径太小，使得转向困难。
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2. Theneck radius of the circle is π(pi), which is approximately 3.14159.
圆的颈半径是π
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3. The neck radius ofthe circle is the distance from the centerto the point where the radius meets thecircumference.
圆的颈半径是从中心到半径与周长相交点的距离。