| 单词 | reproduction rate |
| 释义 | > as lemmasreproduction rate reproduction rate n. Biology the rate at which a species or population produces offspring or new individuals; spec. the proportion of offspring recruited to a population in a year as a fraction or percentage of that population.See also gross reproduction rate at gross adj. 6a, net reproduction rate n. at net adj. Compounds. ΚΠ 1904 Jrnl. Royal Statist. Soc. 67 532 The results would throw a good deal of light on the reproduction-rates of different social strata. 1987 M. Kochanski Northern Bushcraft (1988) xii. 271 When populations peak, winter food resources may be depleted leading to lower survival and reproduction rates. 2002 R. Porter Blood & Guts i. 3 These included..micro-organisms such as bacteria, viruses and protozoans, whose ultra-rapid reproduction rates produce severe illnesses within a host. < as lemmas |
| 随便看 |
|
英语词典包含1132095条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。