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# circumference中文什么意思

[ sə'kʌmfərəns ]发音:   用"circumference"造句
• n.
四周，周围；圆周；圈线；周线。 ten miles in circumference周长十英里。

### 例句与用法

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1. The earth 's circumference is nearly 25,000 miles .
地球的圆周约为25000英里。
2. The diameter and the circumference of a circle correlate .
圆的直径与圆周互相关联。
3. The compressor-outlet pressure is nearly constant around the circumference .
压气机出口压力沿圆周方向接近于常数。
4. Head and chest circumference are checked on all children under two years of age .
两岁以下的婴儿都应测量头围和胸围。
5. In each case an integral number of wavelengths fit into the circumference of the loop .
在各种情形下，环的周长都等于波长的整数倍。

### 英文释义

1. the size of something as given by the distance around it
同义词：perimeter
2. the length of the closed curve of a circle
3. the boundary line encompassing an area or object; "he had walked the full circumference of his land"; "a danger to all races over the whole circumference of the globe"
同义词：circuit

### 百科释义

Circumference is the linear distance around the outside of a closed curve or circular object. The circumference of a circle is of special importance to geometric and trigonometric concepts.
详细百科解释