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Evolution can explain why human embryos look like gilled fishes.

进化论能够解释为什么人类的胚胎看起来象除去了内脏的鱼一样.

辞典例句

A sharp demarcation of adventive embryos from zygotic embryos cannot be drawn.

不定胚与合子胚之间不能划分出明显的界限.

辞典例句

Most grass embryos have a flap - like structure known as the epiblast.

大多数禾本科胚有一片瓣 状 结构通常称为外胚叶.

辞典例句

The scientist has made a pointed comparison between suspensors of plant embryos and mammalian trophoblasts.

这位科学家把植物胚的胚柄与哺乳动物的滋养层做了直接的比较.

辞典例句

There are two methods of collecting cow embryos -- directly through the birth canal, or surgically.

收集母牛胚胎的方法有两种, 一种是直接通过产道, 另一种是施用外科手术.

辞典例句

The cells of the integument and nucellus of some plants form perfectly normal embryos.

某些植物的珠被和珠心细胞形成完全正常的胚.

辞典例句

Early division phase embryos may use metabolites provided by the suspensor, persistent and degenerating synergids.

早期分裂时期的胚可以利用胚柄, 宿存和退化中的助细胞所提供的代谢物.

辞典例句

The corn snake embryos develop inside the protective , leathery shell.

粟米蛇的胚胎在坚韧的保护壳里发育.

电影对白

Fruits and embryos were obtained by self - pollination of Avignon and Lilium brownii.

俄维农自交和野百合自交可以获得自交果实和自交胚.

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What somatic - cell nuclear transfer technology produces are cloned human embryos.

肉体细胞核心移植技术生产的是克隆人的胚胎.

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Objective: to establish a method of producing polyploid mouse embryos.

目的: 探索制作小鼠多倍体胚胎的方法.

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Embryology The study of the development of embryos, usually from fertilization.

胚胎学:是研究胚胎发育的学科, 通常从受精开始.

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That might do away with the need for embryos.

这可能避免需要胚胎这一缓解.

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All of the examined scc - 3 RNAi embryos displayed abnormal mitosis.

所有检测的 scc -3RNA干扰胚胎都表现出异常的有丝分裂.

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Embryos that fit the bill are then implanted in the mother's womb.

那些符合条件的晶胚于是就被植入母亲的子宫.

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