The relationship between the developmental stage of the embryo and the size of the egg was noticed and 'the function of the disintegrating dorsal organ discussed.

本文还总结了胚胎发育时期与卵粒大小的关系，讨论了负子蝽背器官解体的作用。

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The relationship between virulence and the size of the plaques of recombinant vaccinia viruses was studied by plaque assay method on chicken embryo cell monolayer with AGAR overlay.

采用单层琼脂蚀斑测定法，初步研究了重组痘苗病毒的蚀斑大小与毒力之间的关系。

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During this time the size of the embryo does not increase, so the cells become smaller and smaller and they are strongly attached to each other which makes them more difficult to manipulate.

在这段时间内胚胎的大小并未增加，因此细胞体积越来越小且彼此间连接紧密，导致较难对细胞进行操作。

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The size of the dose, though variable, is thus the maximum that will benefit any given embryo, so the mother is not so much discriminating among her offspring as trying to do the best by each of them.

ECONOMIST: Animal behaviour