Research results of the re-entry body in rolling resonance and small asymmetrical aerodynamic force as well as existential problems are emphatically described. It indicates that to determine rand…

文中着重叙述了再入体滚转共振和小不对称气动力问题的研究结果和存在问题。

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Streamlined body balance through matchedcontralateral down kick and hand re-entry.

通过匹配身体对侧的下踢和入水保持流线型身体平衡。

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Citizens have been advised not to make tourist trips to Mexico and body temperature checks on passengers and crew at ports of entry have been re-introduced.

BBC: The world response to flu crisis