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| 单词 | population cycle |
| 释义 | > as lemmaspopulation cycle population cycle n. ΚΠ 1922 Rev. Econ. Stud. 4 245/1 Thus the limiting principle was the population cycle, the regulating principle was the business cycle. 1969 N. W. Pirie Food Resources ii. 70 A few plant and animal species..go through fairly regular population cycles. 1991 Nature Canada Fall 55/2 It's believed this behavior may account for population cycles in the cervids. < as lemmas |
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