研究了光照对广东灰鹅季节性繁殖活动和内分泌的调控。
Study on photoperiodic regulation of reproductive seasonality of Guangdong greylag geese.
该病例是孟加拉国腹泻疾病研究国际中心作为季节性监测活动一部分所开展的回顾性工作中确认出来的。
The case was identified retrospectively as part of seasonal surveillance activities run by the International Centre for Diarrhoeal Disease Research, Bangladesh (ICDDRB).
每一季度的GDP数据因季节性因素(农业仍是经济的最大组成部分)和少数大型外企的活动而发生波动。
Quarterly GDP Numbers are swayed by seasonal factors (agriculture is still a biggish part of the economy) and by the activities of a handful of big foreign-owned firms.
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