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

• 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 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。
• 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。
• The image processing about the differentiation rates of MAP-2 positive neurons, the number of AChE positive neurons, the dimensions and perimeters of the neurons were employed.
  并对MAP-2阳性神经元的分化率、AChE阳性神经元数及其它们的细胞面积和周长进行图像处理；
• He suggested that regulators should re-examine the legal perimeters of financial institutions to assess the real risks from off-balance sheet structures.
  他建议，监管者应该重新审视金融机构的法律框架，以评估资产负债表外结构产品的真实风险。
• Users can set asset protection perimeters using the system's location awareness technology.
  用户还能利用该系统的定位感知技术设定资产保护范围。
• 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 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。
• It can be installed permanently to continuously monitor building ventilation systems, transportation facilities, or critical perimeters, or it can be used for temporary installations.
  它可以持久的安装并且用于持续的监测建筑物内的通风系统，交通设施或危险区域，当然检测器也可以临时性的安装。
• Birth-control pills that mask a woman's ability to detect her mate's incompatible MHC are one way bad love can slip past our perimeters.
  避孕药会蒙蔽女性识别出对方的MHC和自己并不匹配的能力，这时坏爱情会乘虚而入。