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- 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。
- A diffuse, pear-shaped image of a point source. 基于一点呈散开的、梨状的一种表现形式
- 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。
- The definition of PST (point source transmittance) and BRDF (bidirectional reflectance distribution function) is introduced to describe the stray light quantitatively. 通过引入PST和BRDF的定义，实现对杂散光进行定量化描述。
- And if the point source is below the mid-plane, then upward optical transmission of light through clods will be related closely to the distance of the source below the mid-plane. 而当该源在云几何中位面上方时，其向上穿云透射比与该源到其几何中位面的距离密切相关。
- Point source transmittance (PST) of visible stray light of R-C optical system and its measurement[J].OptoElectronic Engineering,1998,25(S):17-20 (in Chinese). R-C光学系统可见光杂光PST的研究与测试[J].;光电工程;1998;25(增刊):17-20
- Functions of fixate point source and model of highway-surface were provided. 给出集中力点源函数,假定了路面模型。
- Rural sewage was an important part of non - point source pollution in China. 摘要农村污水已经是我国非点源污染的重要组成部分。
- The cone produces light of two degrees of intensity, with a central brightly lit section that acts as a point source, and a surrounding dimly lit section. 其产生两度光强，一度照明中心部分，其形式有点类似于点光源，而另一度则在周围形成朦胧光。
- Equipment Division: various models of color dye mixer, sifter, standard light source light box and marketed in Japan, "Minolta" computer color measurement instrument. 设备部：各种型号色粉搅拌机，筛粉机，标准光源灯箱及经销日本“美能达”电脑测色仪。
- The main production in clued:light source generator(different power,voltage,light source), LED building outline products,LED point source series ,LED PC tube light,LED display,etc. 主要产品有光源发生器（不同功率,电压，光源）LED护栏管，LED点光源，LED灯串系列,LED显示屏等。
- At present Our main products is :digital tube, point source, net lamp, high efficiency soft strip lamp, rainbow tube, LED landscape tree lamp series, LED projecting light series, and so on. 目前溢彩的LED照明产品主要有护栏管、点光源、大功率LED投光灯系列、软条灯、彩虹管、LED景观树灯系列、网灯等。
- 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。
- A space in air,water,or soil containing pollutants released from a point source. 含污染质的空气空气、水或土壤中含有从一个点状源释放出的污染物的空间。
- The industry, residential point source along the river and phosphorus mine non-point source are of great water pollution load. 确定库湾周边的工业、生活污染点源，磷矿面源是构成水污染的主要负荷。
- We select efficiency and save energy sources light for street lamp, courtyard lamp and lawn lamp. We adopt infrared ray induction lamp in the corridor, switch by it. 路灯、庭院灯、草坪灯都选用高效节能型的灯,楼道采用红外线感应灯,自熄开关。
- A space in air, water, or soil containing pollutants released from a point source. 含污染质的空气空气、水或土壤中含有从一个点状源释放出的污染物的空间
- The Electric potential of a conductor ball in the electric current field of a point source is derived. 推证了点源电流场中导电球体内、外的电势分布规律
- The BPT regulations there covered the red meat processing segment of the meat products point source category. “最佳实用技术”规章适用于肉制品的牛羊肉加工。这是一种特种污染源。
- Major discrete, or point source, dischargers are governed by an effective regulatory system. 我们开始回应关于如何成功处理弥散性源头，以及难以检测到的有毒物质的难题。
