| 单词 | population survey |
| 释义 | > as lemmaspopulation survey population survey n. ΚΠ 1919 Sandusky (Ohio) Reg. 13 Aug. 10/4 On the eve of the taking of the 1920 census, a population survey of cities of 25,000 or over has been made by the Newspaper Feature Bureau. 1953 Brit. Commonw. Forest Terminol.: Pt. I (Empire Forestry Assoc.) 14 Attractant, a substance attractive to insects, rodents, etc., used in population surveys or in control traps or baits. 1994 New Scientist 24 Dec. 10/1 This figure was calculated from a population survey carried out in 1991 using the ‘line transect’ method. < as lemmas |
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