起源

The embryologic origins of TDCs and inferior PTCs are revealed from the experience of this case.

并从这个病例中来讨论甲状舌骨囊肿及副甲状腺囊肿之胚胎起源。

Based on the fossil embryos from the Weng'an biota, present study aims at answering questions about the origin of animals in aspect of embryological and developmental biology.

本文主要从演化发育生物学和胚胎生物学的角度，以瓮安生物群中的胚胎化石为研究对象，探索动物起源和进化中的一些科学问题。

This German physician gave up his medical practice and started to study the biological species, after reading The Origin of Species by Darwin in 1859. He became a world-known embryologist later and had named over 150 invertebrates.

这位德国医生在一八五九年读到达尔文写的《物种起源》后放弃行医，转行从事物种的研究，曾为一百五十多种无脊椎动物命名，后来成为举世闻名的胚胎生物学家。

An endorsement on the back of the jacket, by Sacvan Bercovitch, the author of "The Puritan Origins of the American Self," salutes Buell's book as "the harvest of the past half-century of Emersonian revaluations and the harbinger, guide, and provocation for the next generations of Emerson scholars and critics"—as if Emerson scholars and critics, in their generations, are world enough.

美利坚本质的清教起源》的作者萨克万·伯克维奇在书的封页的评语中将贝尔的书敬为"过去半个世纪对爱默生再评价的成果和下一代爱默生学者和评论者的先驱、导向和动力"——好像爱默生学者和评论者在他们的年代中都会非常的实际。

Time as well as of the requirements of theology, the Encyclical

考虑到当时科学研究的状况以及神学的要求，通谕《人类起源》认为进化

The rare and endangered wild medicinal plants in this area are of ancient origin, obvious endemism and complicated distribution.

该区珍稀植物具有起源古老，特有性强，地理分布复杂的特征。

The Hengduan Mountains is regarded as centers of origin,differentiation and endemism of the genus.W,NW and NE parts of Yunnan may be closely related to or part of the center of differentiation.

横断山区可能是该属的起源、分化和特有中心，而滇西、滇西南以及滇东南地区也与该属的分化有一定联系。

Chinese flora ; Endemism ; Origin ; Evolution

中国植物区系；特有性；起源；进化

The chief of these questions respect the origin of exogamy and of endogamy. As

这些问题中最首要的是关于外婚制和内婚制的起源。

The chief of these questions respect the origin of exogamy and of endogamy.

这些问题中最首要的同外婚制和内婚制的起源有关。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。