...f gastrula period)、原肠胚晚期(late of gastrula period)、体节 早期(early of segmentation period),孵化期(hatching period)死亡的胚胎数量。最后,统计每盆孵化出 的鱼苗数量。
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The population diffusing periods are before and after the peak of the hatching period.
孵化高峰期前后为种群的扩散时期。
The diapause of pine caterpillar is relevant to the larval hatching period, food, climate and other ecological conditions.
滞育与幼虫孵化期、气候、生态条件和食料有关。
Rogers found that a chick's lateralisation depends on whether it is exposed to light before hatching from its egg—if it is kept in the dark during this period, neither hemisphere becomes dominant.
罗杰斯发现，小鸡的偏侧性取决于它在孵出蛋之前是否暴露在阳光下——如果在这段时间里保持黑暗，右脑或左脑都不会占优势。
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