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In the b-pleated sheet the polypeptides are more extended, and adjacent chains of amino acids are arranged antiparallel to each other, linked by hydrogen bonds between the C=O and NH groups of adjacent chains.

相比较而言，β片层具有更好的可延伸性，相邻的由氨基酸残基形成的肽链反向平行排列，同样以 C=O 和 NH 基团之间的氢键连接。

The molecular structure of ω-CTX SO3 is stabilized by three disulfide bridges and a short triple-stranded antiparallel β-sheet with four turns.

与其他ω-CTX溶液构象的比较指出它们的差别仅在于β-片层长度和β-转角类型不同。

If YES, full details must be provided on a separate sheet of p aper

如有，则必须提供详细资料，并另纸书写。

On single-side coated paper, coated surface than coated surface it becomes apparent that the expansion rate, so when single-side coated paper was drying is a non-coated sheet.

差单背涂布纸来说，否涂布背比涂布背的伸缩率澄辉不天不小，所以当单背涂布纸被潮潮时，不离会向否涂布背笔直。

This is on the market for approximately $80 and has a 6 sheet capacity.

这是市场上的大约80美元和6资产负债表的能力。

The resulting phylogeny indicated that:(1) Araneidae and Tetragnathidae, which build orb webs, are not a sister group in the superfamily Araneoidea;(2) Theridiidae and Linyphiidae, which build nonorb webs, are also not monophyletic, The results also corroborated the independent origins of linyphiid sheet webs and theridiid gumfoot webs;(3) The phylogenetic placement of linyphiid closer to tetragnathid than to araneid implies that the similarities of male palpal organ between linyphiids and araneids may be homoplastic rather than homologous.

结果表明：(1)织圆网的园蛛科和肖蛸科蜘蛛在园蛛总科里不是姊妹群；(2)不织圆网的球蛛科和皿蛛科也不是单系的，进一步证实了皿蛛片网和球蛛网独立起源的观点；(3)皿蛛科蜘蛛的分子系统发生地位与肖蛸科较近而与园蛛科较远表明皿蛛科和园蛛科间雄性触肢结构的相似性很可能是类似而不是同源相似。

The inpocketed vegetal pole cells develop into a sheet of cells which grows upward and eventually encloses a cavity, the archenteron

内褶的植物极细胞生成一片向上生长的细胞，并最后围成一个腔，即原肠。

I see an empty sheet of paper as an empty construction site – a test site for architectural constructions.

我把一张空白的纸看作一个空的工地---一个建筑结构的试验田。

Most of it lies inside the Arctic Circle ,and a huge sheet of ice covers 85% of it .

她大部分的面积都位于北极圈之内，而厚重的冰层更把她85%的面积都覆盖了。

Now in the middle of the sheet there was the letter A, which stood for The Arranger, with a Latin inscription written around it

在纸的中间出现了字母 A ，代表了组织者，拉丁铭文写在它的周围

We have no common name for a mime of Sophron or Xenarchus and a Socratic Conversation; and we should still be without one even if the imitation in the two instances were in trimeters or elegiacs or some other kind of verse--though it is the way with people to tack on 'poet' to the name of a metre, and talk of elegiac-poets and epic-poets, thinking that they call them poets not by reason of the imitative nature of their work, but indiscriminately by reason of the metre they write in.

索夫农 、森那库斯和苏格拉底式的对话采用的模仿没有一个公共的名称；三音步诗、挽歌体或其他类型的诗的模仿也没有——人们把&诗人&这一名词和格律名称结合到一起，称之为挽歌体诗人或者史诗诗人，他们被称为诗人，似乎只是因为遵守格律写作，而非他们作品的模仿本质。

The relationship between communicative competence and grammar teaching should be that of the ends and the means.

交际能力和语法的关系应该是目标与途径的关系。