In all the experiments of the present paper, the egg development time comprises 31% (24-41%) for generation, and 69% (59-76%) for post-embryonic development time.

实验结果表明，卵的发育时间约占世代发育时间的31％（24—41％）； 胚后发育时间约占69％（59—76％）。

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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.

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。

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The main food affecting physical development of 7~12 month rural children was grain, egg and intake frequency.

影响7~12月儿童体格发育主要食物是谷类、鸡蛋及其摄入频率。

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During development of the embryo it goes from being a single cell, the fertilized egg, to being a multi-cellular organism with billions of cells in it.

胚胎的发育,始于一个单一细胞,即受精卵,直到形成一个以十亿计数量的细胞构成的,多细胞有机体

耶鲁公开课 - 生物医学工程探索课程节选

All of the cells that are reproduced during development are the same in certain ways, they contain the same DNA, they're all progeny of the same fertilized egg, but differences are acquired within specific cell populations during the process of development.

所有在发育过程中繁殖的细胞,在某些方面都是一样的,它们都有相同的DNA,都是同一个受精卵的后代,但是分化是在特定细胞类群,发育过程中必不可少的

耶鲁公开课 - 生物医学工程探索课程节选

This gene gives instructions for making a yolk protein that gets chopped up by enzymes in the last stage of egg development, inside a teleost's ovary.

ECONOMIST: Fish genetics

But other contributing factors to their include coastal development, egg poaching, ocean pollution and global warming.

CNN: Turtles in race to beat extinction

The theory is that the protein in sperm which triggers chemical changes in the egg, leading to embryo development, is defective or missing from the sperm of some infertile men.

BBC: Sea squirts aid fertility research