您要查找的是不是：
- Teacher: What is the perimeter of a circle? 师：什么是圆的周长?
- Guards patrolled the perimeter of the airfield. 卫兵沿机场四周巡逻。
- the perimeter of a rectangle; 一个矩形的周长；
- A fence marked the perimeter of the field. 一道篱笆标明了那块田地的周界。
- the perimeter of a rectangle 一个矩形的周长
- The perimeter of the airfield is protected by guard-dogs. 机场外的环形防卫圈由警犬保卫着。
- Having the shape of a rectangle. 矩形的具有矩形形状的
- What is the perimeter of this oblong. （这个矩形的周长是多少?）
- Teacher: Express the way of calculating the perimeter of a circle by letters. 师：圆的周长的计算方法，用字母公式表示。
- What is the perimeter of this polygon? 这个多边形的周长是多少?
- Tell us which problems with the perimeter of a circle you can solve in your daily life. 举例说明你能解决生活中哪些圆周长的问题。
- The perimeter of rectangle is the distance around it. 长方形的周长是指它边长的总合。
- An instrument that measures the area of a plane figure as a mechanically coupled pointer traverses the perimeter of the figure. 测面仪一种仪器，当机械连结的探针扫过平面图形的周线时能测出图形的面积
- Gets the width, in pixels, of the sizing border drawn around the perimeter of a window being resized. 获取在正调整大小的窗口周围绘制的大小调整边框的宽度(以像素为单位)。
- Flat - A section of the perimeter of a wafer that has been removed for wafer orientation purposes. 平边-晶圆片圆周上的一个小平面,作为晶向定位的依据。
- Every face of a cuboid must be a rectangle. 长方体每个面一定是长方形。
- Work out how long the perimeter of the playground. 请你算一算体育场的周长是多少米?
- A unit of 25 military paratroopers landed inside the perimeter of a state prison, but not to quell a riot or attempt some movie-script breakout. They just goofed. 某个25人的伞兵部队降落在一所州立监狱内，不过并不是担负镇暴平乱任务，或发动电影情节般的突围行动。他们只是摆了个乌龙。
- Gets the thickness of the left and right edges of the sizing border around the perimeter of a window being resized, in pixels. 获取在正调整大小的窗口周围的大小调整边框的左边缘和右边缘的粗细(以像素为单位)。
- The book is the shape of a rectangle. 书是长方形的。
