point source
英 [pɔɪnt sɔːs]
美 [pɔɪnt sɔːrs]
(光或辐射的)点源
双语例句
- Fog up a piece of glass with your breath and look through the fogged plate in a darkened room at a white-light point source.
哈气使一片玻璃蒙上一层水雾，并在一个暗间里通过它来观察一个白色点光源。 - I have never thought that complex symbolic behavior has a single point source and that cultural evolutions is like switching a light on,' he said.
我从不认为，复杂的象征性行为有一个单一的源头，也不认为文化进化就像关上灯的开关一样，他说。 - The full parallax CGHs are generated by the point source method and the wave-oriented method without paraxial approximation.
这种全视差计算全息图是由点基元方法和平面波导向法生成并且没有经过旁轴近似。 - The electromagnetic propagation solutions of point source in a time-varying media of higher space were studied.
研究点源激励电磁波在高维空间时变媒质中的传播解。 - This paper studied the inverse problem of reconstructing a3D unknown object in an ocean waveguide from near-field measurements of the scattered fields with many acoustic point source incidences.
研究了用声点源入射波所获得的近场散射数据来成像海洋波导环境中三维未知目标的反问题。 - In this paper, the particularity of end-fire phased antenna array and the disadvantages of traditional ideal point source array are analyzed.
首先分析了端射相控阵列的特殊性，以及传统理想点源阵描述端射阵列的不足。 - Consider first a light wave spreading out from a point source.
首先考虑一个点光源发出的光波。 - Point-sourc reflector radiator and point source array radiator were adopted to study experimentally the transmission property of ultra-short pulse.
（红外辐射）发射型探测器采用了点源&反射面型及阵列型辐射器对超短脉冲的辐射特性进行了实验研究。 - An Analysis of Water and Salt Distribution of the Point Source Infiltration Tests in the Fields
田间点源入渗试验的水盐分布特征分析 - The specific discharge is infinite at the vicinity of every point source or sink.
在每个点源或点汇附近比流量为无穷大。 - Study on the Pollutant of Point Source and Mariculture Fluxes Flowing into Jiaozhou Bay
胶州湾入海点源、海水养殖污染物通量研究 - To do so, a straight line is defined between a point source of light and a detector.
为了这样做，在点光源和探测器之间精确的界定一条直线。 - The one dimensional Fresnel zone phase correcting principle can be applied to a cylindrical reflector to construct a new type of point source feeding reflector.
在抛物柱面反射器上进行一维菲涅尔区相位修正结构设计，可以构成一类新型的点源馈电反射器。 - Water pollutants are categorized as point source or nonpoint source, the former being identified as all dry weather pollutants that enter watercourses through pipes or channels.
水污染物分为点源和非点源，前者认为所有干燥空气污染物通过水管或管道进入水道。 - The actuality and new date developing demand and matter of water resources experiment research in Huaihe River Area With the rapid urbanization, while point source pollution is of control, urban non-point source pollution turns into a serious threat to urban watershed.
淮河流域水文实验现状与新时期水资源研究重点随着城市化迅速发展，点污染源基本得到控制，非点污染源对城市水体构成严重的威胁。 - After the effective controlling of point source pollution, the task of preventing the non-point source pollution is coming as the pivotal part to protect environment.
继点源污染得到有效控制之后，非点源污染的防治工作成为环境保护工作的重点。 - A unit of illuminance on a surface that is everywhere 1 foot from a point source of 1 candle.
一支蜡烛的点光源在每英尺表面的照度的单位。 - Controlling point source discharges;
控制点源排放； - The evolution character of a isolated wave-packet produced by a point source in threedimensional boundary layer on a swept flat plate is investigated.
研究了点源产生的孤立波包在后掠平板三维边界层中的演化特征。 - Application of Point Source Function to Well Test Theory of Horizontal Wells and Multi-lateral Wells
点源函数在水平井及多分支井试井理论中的应用 - Point source pollution comes mainly from industrial facilities and municipal wastewater treatment plants.
点源污染主要来自工业工厂和城市废水处理厂。 - Now, there are two ways to measure the stray light, respectively, surface source method ( black spot method) and the point source method.
现有的杂散光测量系统分为两类，分别为面源法（黑斑法）和点源法。 - And so, when you think about how much cement concrete are consumed annually on the planet, this becomes a considerable point source of greenhouse gas emissions.
当你想到，在地球上每年要消耗多少的水泥混凝土的时候，这将是温室气体排放的，一个主要来源。 - With more control of point source pollution, nonpoint source pollution attracted more and more attention.
随着城市点源污染控制程度的提高，雨水径流引起的面源污染日益突出。 - Using the real point source coaxial technology.
采用真正的点声源同轴技术。 - Of or relating to light emitted from a point source and reflected or refracted from a curved surface.
由一个点光源发出并从曲面反射或折射的光的或关于这种光的。 - Thinking About Status and Prevention Measures of Agricultural Non-point Source Pollution in Xuzhou
徐州市农业面源污染现状分析及防治对策思考 - The acoustic wave field excited by a pulsed point source in a fluid-felled borehole surrounded by horizontal multiple-layered media is solved by the send-analytical method.
针对声波测井薄层探测的需要，用半解析方法求解了地层为水平多层介质时柱状井孔内脉冲点源激发的声场。 - Objective To investigate the electrical field distribution in the cylinder volume conductor with point source by means of experiment.
目的用实验探讨点电源圆柱形容积导体中的电场分布。 - First, based on the theory of Fresnel diffraction, the diffraction patterns are analyzed when the point source at the front focus or it's nearby of the lens.
首先，利用菲涅耳衍射理论，分析了无衍射成像系统中点光源在透镜焦点及焦点前后所产生的无衍射光斑形式。
英英释义
noun
- a concentrated source (especially of radiation or pollution) that is spatially constricted