| 单词 | age class |
| 释义 | > as lemmasage class age class n. ΚΠ 1871 W. W. Hall Health by Good Living ix. 171 The curve shows the number of deaths in the different age classes. 1929 Notes & Queries Anthrop. (ed. 5) ii. 56 Those Age-Fellows who have been initiated together may be looked upon as an Age-Set or Age-Class. 2002 Northern Woodlands Spring 9/1 The selection method is designed to..have three or more age classes [of trees] represented in the stand. < as lemmas |
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