point source的例句大全

The Application of SWAT Model in Agriculture Non-point Source Pollution

SWAT模型在农业非点源污染研究中的应用

Nitrogen ( N) and phosphorus ( P) enriched and transported from farmland soil are the major source of agricultural non-point source pollution.

过量施肥导致的农田土壤氮磷的富集和迁移是农业面源污染的重要来源。

At first, we introduce the linearly distributed stress tensors as the source and by means of two-dimentional finite-difference scheme to produce the response of this source, then the point source response is generated by correcting Loth the wave forms and geometrical spreading for the linear response.

该方法通过引入线分布的应力作为震源，利用二维有限差分方法计算出线源响应，然后再经过波形校正和几何扩散校正得出相应的近似点源响应。

Study of SWAT Model on Agricultural Non-Point Source Pollution under GIS

基于GIS的SWAT模型原理及其在农业面源污染中的应用

The temprature distribution of the limit thickness specimen on the lateral area of the heated region under laser point source irradiation was measured with the thermovision infrared system.

通过红外热像仪测温装置，对有限厚度试件在激光点热源作用下热作用区侧面温度分布进行实时测量。

Effect of Land Use/ Cover Change on Pollution Load of Non-Point Source in Upper Reach of Yangtze River Basin

土地利用/覆盖变化对长江上游非点源污染影响研究

In the case of point source continuous discharge for 5 hours, the particles are discharged respectively at the instance of high tide and low tide.

点源连续排放5个小时的情况下，分别在高潮时刻和低潮时刻开始投放粒子；

Many scientists have indicated that the vegetation buffer zone is an effective way to reduce non point source pollution.

国内外研究实践证明，植被缓冲带对治理非点源污染有效果很好。

This paper analyzed the sources of nutrients which causes eutrophication from non-point source and point source, extraneous source and endogenous angle, and proposed controlling measures in terms of different pollution sources.

从外源（面源和点源）和内源的角度分析了导致水体富营养化营养盐的来源，并根据不同污染源提出了具有针对性的防治措施。

The comparisons between Ring of Fire? and traditional point source have been done by experiment on Sub& aperture Stitching Interferometer ( SSI).

在子孔径拼接干涉仪（SSI）上完成了传统点光源和环形光源的对比实验，实验结果表明：环形光源模式下系统的信噪比高于传统点光源模式。

Direct calculation of electric field of point source on two-dimensional geoelectric section with horizontal ground

水平地形二维地电断面点源电场的正演

Analysis of the Osaka-Kobe earthquake of japan ── inversion of magnetic anomalies by equivalent point source under a circumstances of spherical coordinate

关于日本阪神地震的分析&球坐标下磁卫星异常的等效源反演

A Point Source Diffracted by a Circular Boundary in Two Dimensional Space

二维空间中点声源关于圆边界的衍射

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。

Formulae for the first-order chromatic and third-order geometrical aberration coefficients of superimposed magnetic focus and deflection field of both electric and magnetic type in the case of a point source on the Z-axis are obtained.

并给出了磁聚焦和静电的偏转场相复合情况下竖轴的3级几何像差系数和1级色差系数公式。

pim distortion generated within cable assemblies in mobile base station is described by applying two point source models.

采用两种点源模型描述了移动通信基站设备中的电缆组件的三阶PIM失真特性，接着讨论了移动通信天线的无源互调特性，介绍了移动通信系统无源互调的测量，并进行了初步测量。

A temporal and frequency domain analysis of the optical responses in tissue acted by ultra-short laser pulse ── dirichlet boundary condition and isotropic point source

超短激光脉冲作用下生物组织体光学响应的时域和频域分析&Dirichlet边界条件和无向点激励源

But the main contributor of BOD was point source pollution.

而BOD的主要贡献者则是点源污染。

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。

Properties like Mirror Image on Field of Point Source in an Angular Domain

均匀介质角域点源位似镜象性质