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

• A new Demonstration of the Equal Perimeters of Triangles
  三角形等周问题证明新探
• The component model is used to provide the internal component geometric perimeters, material composition, kill modes, criticality flag, and the logic expression of component kill with.
  对于部件模型，主要提供几何尺寸参数、材料参数、杀伤模式、致命性标识，以及部件杀伤与飞机杀伤的逻辑关系等数据。
• 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。
• In dual-sensor mode, the video assistant can be operated in parallel with its video motion detector to monitor perimeters, open sites, and buildings.
  在双传感器模式下，视频协助连同其视频动态探测器一同监控周边环境，开放场地和高楼大厦。
• Based on the requirements of the higher perimeters of large scale magnetic confinement fusion device, SMES, high magnets and high energy accelerators, the technologies of large scale superconducting magnets have been developing quickly.
  随着大型超导核聚变装置、超导储能装置、超导强磁场装置及高能超导加速器技术参数的不断提高，大型超导磁体的应用也在加速发展中。
• 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。
• 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。
• 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
• 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。
• 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。