point source的例句大全

The control principle of the scenery picture, that is projected by point source of light, the consist of control system hardware, implements means and the software system are introduced in bomb by optic collimator.

介绍了光学轰炸中点光源视景图像的控制原理、控制系统的硬件组成、实现方法及软件系统。

Specimen hipbones were measured by using a 3D laser scanner and complete point source data of hipbone surfaces were acquired.

本文利用激光扫描仪对15例人体髋骨标本进行测量，得到髋骨表面的完整点云数据；

The issue of the article is hierarchical classification that is used to extract land-use information relating to non-point source pollution from TM image.

探讨了运用逐级分类从TM图像中提取与非点源污染有关的土地利用信息的方法。

When the hologram fabricated by such technique is reconstructed with white light point source, a distortionless, white-black holographic image with certain depth is obtained.

采用这种技术摄制的全息图，在白光点源照明下再现，可获得有一定深度的无畸变的黑白色全息象。

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

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。

study progress on non-point source pollution based on loss of nitrogen

基于氮素流失对非点源污染研究的述评

This paper provides an introduction of best management practices ( BMPs) for controlling non-point source pollution and a review of their applications/ achievements.

概述了国外最佳管理措施（BMPs）在农业非点源污染防治中的应用现状，工程措施有人工湿地、植被缓冲区和水陆交错带；

Optimal Design of Best Management Practices to Control Agricultural Non-point Source Pollution in Chinese Watershed

控制农业非点源污染的最佳管理措施的优化设计

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

The study showed that these constructed wetland system can intercept and purify the pollutants of non-point source pollution, and it has best lasing-resistant ability.

研究表明，本人工湿地系统对非点源污染物有一定的截留和净化作用，且抗冲击西安理工大学硕士学位论文能力强。

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

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

flow properties of a dusty-gas point source in a supersonic free stream

超声速气流中含灰气体点源流动特性

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。

The result indicated that eutrophication would not be induced in Baiguishan Reservoir without point source pollution.

结果表明,流域内如果没有点源污染,水库不会发生富营养化.

But the main contributor of BOD was point source pollution.

而BOD的主要贡献者则是点源污染。

nitrogen removal efficiency of integrated constructed wetland for agricultural non-point source sewage

复合人工湿地处理农业面源污水的除氮效果

relationship between farming and animal husbandry economics of ecological economy systems in agro-pastoral region; controling agricultural non-point source pollution by optimizing compound agroecosystem

农牧交错带复合生态经济系统农牧业经济关系研究复合农业生态系统的优化与农业面源污染的改善

Study on Source of Error in Point Sampling

点抽样误差来源的研究