| 释义 |
point-source 英'pɔɪnts'ɔːs美'pɔɪnts'ɔːs COCA¹²⁶³⁹⁴BNC²³⁶²¹³⁺¹
基本英英例句例句
点源¹⁰⁰
名词 point source:
a concentrated source especially of radiation or pollution that is spatially constrictedThe 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。
Soil erosion and non-point source pollution are two serious environmental issues.土壤侵蚀与非点源污染是两大重要的环境问题。 With the improvement of the standards in point-source pollution control, the issues of non- point sourceNPS pollution become increasingly prominent.
随着点源污染控制水平的提高，非点源污染问题日益突出。 www.cje.net.cn |