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

• 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。
• Using hot embossing method to fabricate the microchannel of PMMA plastic microfluidic chips, the process perimeters, i. e. temperature, pressure and time, affect the quality directly.
  采用热压成形的方法制作塑料（PMMA）微流控芯片的微通道，其温度、压力和时间等工艺参数直接影响制作质量，而最佳的工艺参数取决于聚合物材料的流变特性。
• 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。
• 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。
• In triangle plane filling between layers, the loop matching operator between layers was adopted, which is that the loops were matched according to their characters, geometry centers and perimeters.
  在层间三角面片填充方面，采用层间轮廓环按环的性质、几何中心和周长进行匹配的层间匹配算法；
• 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 unified numerical formulation is presented for solving the current distribution and radiation fields. The dependence of the resonant resistance and resonant loop perimeters on the superquadric parameters is investigated for the loop antennas printed on various dielectric substrates.
  首先给出求解天线电流分布和辐射场的统一数值计算公式，然后通过改变超二次曲线的形状参数，分析印刷在不同介质基片上环形天线的形状与其谐振电阻和谐振环周长的关系。
• 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。
• 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。