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单词 year group
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year group
year group n. (a) (with reference to statistical data) a group of people or animals classed together on the basis of age; cf. age group n. at age n. Compounds 2; (b) a body of students at the same stage of education; = sense 9b.
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the world > people > science of mankind > [noun] > study of populations > group having common characteristics
year group1897
cohort1944
1897 Amer. Jrnl. Psychol. 9 115 Table XV is based on the per cent. of those in each year-group who give the various feelings.
1907 Bull. Vermont. Agric. Exper. Station No. 129. 150 LaCour tabulates the records of 104 Danish cows.., grouping them into year groups from two to fourteen years.
1907 Brit. Jrnl. Tuberculosis 1 268 The average physical development of each year-group of children in a school may be readily compared with that of other year-groups in the same school, and also with that of year-groups of the whole nation.
1960 A. Kerr Schools of Europe (1961) i. 20 Children attend school every day and there is in general one class corresponding to each year group.
1999 J. L. Chapman & M. J. Reiss Ecology (ed. 2) iv. 30/2 The indentations in the year groups 10–19 and 35–44 years of age are probably due to the Second World War.
2010 Daily Tel. 20 Aug. 5/6 He left..to study for A-levels at the private Brighton College, where he was the highest-scoring pupil in his year group.
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