perimeter中文什么意思

n.
1.【数学】周，周长；周边。
2.周围，周界线。
3.【光学】视野计。
+更多解释...4.【军事】(军营、工事、机场等的)环形防线[防御带]。

• perimeter of a perimeter-marked area:    标界区周界
• abdominal perimeter:    腹围
• alternative perimeter:    替代周界

例句与用法

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1. A fence marked the perimeter of the field .
   一道篱笆标明了那块田地的周界。
2. How am i to find the perimeter in the dark ?
   我在黑暗里怎么看出周围的警戒线呢？
3. The circle has greater area than a regular poiygon of the same perimeter .
   圆的面积比同样周长的正多边形的面积大。
4. The circle has greater area than a regular polygon of the same perimeter .
   圆的面积比同样周长的正多边形的面积大。
5. Drinks in hands, they wandered around the perimeter of the ball field .
   他们手里拿着饮料在球场周围漫不经心地遛Q。

英文释义

名词

1. the size of something as given by the distance around it
   同义词：circumference
2. a line enclosing a plane areas
3. the boundary line or the area immediately inside the boundary
   同义词：margin, border

百科释义

A perimeter is a path that surrounds an area. The word comes from the Greek peri (around) and meter (measure).