point-source
美：[´pɔɪnts´ɔːs] 英：[´pɔɪnts´ɔːs]
中文翻译
点源
网络解释
点源性; 源点
英文短语
1.point source 点光源；点状射线源；点声源
2.non-point source 非点源；非点污染源
3.virtual point source 理论点源；虚拟点污染源
4.point-source loudspeaker 点声源式音箱
5.point source lamp 点光源灯
6.point-source distribution 点源分布
英文例句
1.Airy disk brilliance (the brightness of a point-source stellar image) is proportional to the fourth power of aperture.艾里斑的亮度(点光源恒星的图像亮度)正比于孔径尺寸的四次方。
2.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。
3.How to regulate "non-point source" pollution, such as pesticides from agricultural run-off, is a continuing, and harder, debate.象农业使用中飘散的杀虫剂这类“非点源”污染又如何控制？这更是个长久和难缠的辩论题。
4.We will prohibit the relocation of urban polluting enterprises and dispersal of urban polluting materials in the countryside, and control non-point source pollution in rural areas.禁止污染企业和城市污染物向农村扩散，控制农村面源污染。
5.The mixing law of the continuous point source, in the nature flow, is studied.研究了连续点源污染物在近区的垂向扩散规律。
其他单词翻译
