fast neutron breeding factor 快中子增殖因数
The proximity of mosquito breeding sites to human habitation is a significant risk factor for chikungunya.
蚊子滋生地邻近人类居住地,是基孔肯雅热重要危险因素。
The proximity of mosquito vector breeding sites to human habitation is a significant risk factor for chikungunya as well as for other diseases that these species transmit.
蚊子滋生地邻近人类居住地,是基孔肯雅热重要危险因素,也会传播其他疾病。
The rate of cow's oestrum fecundation is one key factor of cattle's breeding rate.
奶牛情期受胎率是影响奶牛繁育率的重要因素之一。
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