perimeters

英 [pəˈrɪmɪtəz]

美 [pəˈrɪmətərz]

n.  (土地的)外缘，边缘; 周长
perimeter的复数

柯林斯词典

• N-COUNT 外缘；边缘
  Theperimeterof an area of land is the whole of its outer edge or boundary.
  1. ...the perimeter of the airport...
     机场四周
  2. Officers dressed in riot gear are surrounding the perimeter fence.
     身穿防暴服的警察正在包围外围的栅栏。

双语例句

• Methods: The perimeters and areas of left and right atrioventricular orifice fibrous rings, and areas of the mitral valve and tricuspid valve and the number of chordae tendineae attached to the valves were observed and measured on 42 hearts of adult cadavers fixed with formaldehyde.
  方法：采用42例经福尔马林固定的成人心脏标本，观测房室口纤维环的周长和面积，二尖瓣和三尖瓣的面积及瓣膜各部附着的腱索条数。
• A Method for Calculating Fractals of Tropical Cyclone Eddy Perimeters
  一种热带气旋边缘线分形数的计算方法
• A power law relationship was found among the mean patch areas and perimeters of all the landscape elements, with a fractal dimension of 1.30, indicating a low degree of patch perimeter complexity in the landscape.
  各景观类型的平均斑块面积和周长遵从分形规律，分形维数1.30，景观整体的斑块边界的褶皱程度较低。
• The perimeters of all boards are fitted with aluminium banding which protects the edges of the board during general usage and transportation.
  所有议会的周长与铝的保护带一般使用和运输过程中对板边安装。
• The Relationship between Side Perimeters and Carrying Capacity of the Unit Structure in Molded Pulp Product
  纸浆模塑制品单元结构侧壁周长与承压能力的关系
• Ellis, let's make sure the perimeters are secured.
  艾理斯，我们要确保一切安全。
• Characteristic of perimeters and areas of in-between shapes were obtained through experiments of various proportion functions and curves data.
  通过对不同比例函数和曲线数据的实验，得到了调配曲线的周长和面积的变化特性。
• A new Demonstration of the Equal Perimeters of Triangles
  三角形等周问题证明新探
• The results that. ( 1) Clones are significantly different in their total stomata perimeters of leaf and so this character can be used in rubber breeding programmes.
  试验表明：1.不同品系气孔的总周长有极显著或显著差异，因而说明气孔总周长是品系特性之一，在选育种过程中是值得注意的一个性状。
• The investigation conclusions are that this vibration is induced by steam flow, and the cause may be unit constructions, operational perimeters or others.
  研究结论认为：振动性质是汽流激振，其原因与机组结构、运行参数等多方面因素有关。