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point source
- a source of energy, such as light or sound, which can be regarded as having negligible dimensions.;a localized and stationary source of pollution.
noun: point source, plural noun: point sources
- 相關詞
- a source of pollution that issues from widely distributed or pervasive environmental elements: cattle are the leading non-point source of pollution in Canada today
Oxford Dictionary
- 更多解釋
- IPA[point sôrs]
- a source of energy, such as light or sound, which can be regarded as having negligible dimensions.
Oxford American Dictionary