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单词 non-point
释义

non-pointadj.

Brit. /nɒnˈpɔɪnt/, U.S. /ˈnɑnˈpɔɪnt/
Origin: Formed within English, by derivation. Etymons: non- prefix, point n.1
Etymology: < non- prefix + point n.1
Not localized at a single point, not limited to or originating at a specific location; spec. designating aquatic pollution that does not originate from a single point source. Frequently in non-point source.
ΚΠ
1951 Ann. Math. 54 564 Friedrichs..has considered point singularities like V0(x),..however he does not consider non-point singularities like V1(x).
1971 D. Zwick & M. Benstock Water Wasteland v. 92Non-point source’ polluters like these have always confounded the sanitary engineers.
1985 Jrnl. Great Lakes Res. 11 110 (title) Estimating the extent of reduction needed to statistically demonstrate reduced non-point phosphorus loading to Lake Erie.
1998 Vision Res. 32 1225 For nonpoint targets, there is at most one eye velocity compatible with perfect retinal image stabilisation.
This is a new entry (OED Third Edition, December 2003; most recently modified version published online March 2022).
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adj.1951
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