‎ cir‎cumfe‎rence‎是什么意思_‎ cir‎cumfe‎rence‎怎么读_‎ cir‎cumfe‎rence‎的音标

‎ cir‎cumfe‎rence‎的中文意思:周长

‎ cir‎cumfe‎rence‎的音标:英 [səˈkʌmfəns] 美 [sərˈkʌmfərns]

‎ cir‎cumfe‎rence‎的用法和例句:

    • The circumference of a circle can be calculated using the formula C = 2πr.

(圆的周长可以用公式 C = 2πr 计算。)

    • To find the circumference, measure the diameter and multiply by π.

(要找出周长,测量直径并乘以 π。)

    • The circumference of the Earth is about 40,075 kilometers.

(地球的周长大约是 40,075 公里。)

    • In geometry, the circumference is the total distance around a circle.

(在几何学中,周长是圆周围的总距离。)

    • The circumference of this bicycle tire is essential for accurate speed calculations.

(这个自行车轮胎的周长对准确的速度计算是必不可少的。)

    • We need to calculate the circumference to determine how much fencing is required.

(我们需要计算周长以确定需要多少围栏。)

    • The teacher explained how to derive the circumference formula from the radius.

(老师解释了如何从半径推导出周长公式。)

    • If you know the circumference, you can easily find the radius of the circle.

(如果你知道周长,就可以轻松找到圆的半径。)
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