结果表明，这两种药剂对小菜蛾卵的孵化率没有影响，但能大大降低初孵幼虫的存活率。
The results showed that both spinosad and avermectin did not affect egg hatching, but caused substantial mortality of newly-hatched larvae.
有一次，爱迪生看见母鸡孵小鸡，为了研究，他也坐到卵上，专心地孵了一整天。
Once, Edison saw some hens hatching chicks. For the sake of research, he sat on some eggs for a day in full attention.
丙酮和石油醚提取物对小菜蛾卵的孵化及卵的发育历期没有影响，但有增加初孵幼虫死亡率的作用。
The extracts of acetone and petroleum ether had no effect to the hatching rate and egg development duration, but they were toxic to the newly hatched larvae of Plutella xylostella.
卵放在木段外，卵期缩短为13 ~15天，平均孵化率及初孵幼虫对光肩星天牛幼虫的平均寄生率均有所提高，分别为83.3%和87.5%。
When eggs placed out of the wood block, egg stage is 13 ~ 15days, average hatching rate and average parasite rate are increased, they are 83.3% and 87.5% respectively.
通过生命表研究看出：卵、初孵幼虫死亡及越冬后滞育是种群变动的关键因子。
The results of studying for life table indicated the deaths of eggs and primary hatching larvae and diapause of overwintering larvae are key-factors of population change.
通过生命表研究看出：卵、初孵幼虫死亡及越冬后滞育是种群变动的关键因子。
The results of studying for life table indicated the deaths of eggs and primary hatching larvae and diapause of overwintering larvae are key-factors of population change.
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