它们的身体呈流线型，后肢完全消失，身体上长出了尾片和喷水孔，所有这些特征都无法掩饰它们与陆生哺乳动物之间的亲缘关系。
Their streamlined bodies, the absence of hind legs, and the presence of a fluke and blowhole cannot disguise their affinities with land dwelling mammals.
结果说明臂旁核和迷走神经背核簇尾侧部之间有交互联系。
The result indicates that there are reciprocal connections between the parabrachial nucleus and caudal portion of the dorsal vagal complex.
而在上个世纪七十年代之前，在两党的代表大会上往往能看到党内各派系之间引人注目的纷争，电视台还对大会进行从头至尾的实况转播。
Until the 1970s these conventions were often the scene of fascinating struggles between different factions within the parties, and they were televised from beginning to end.
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