I had always assumed that the reason a squirrel had a big bushy tail was that as they careened through the space between branches they used it to wave around and keep from tumbling out of control.

我一直以为，松鼠有个毛茸茸的大尾巴，是因为它们摇晃着通过树枝间的空隙时，要摇摆它，以防失控跌倒。

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Once they hit their first part of clean water flowing straight from the sea, the mum gave us a wave with her tail and off they swam into the distance.

一旦他们达到他们的清洁流动水从海直的第一部分，母鲸给了我们一个她的尾波，她们就在远方游去。

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A practical calculation method is given. With the parameters of the impulse circuit the wave front and tail and the voltage efficiency can be calculated.

文中给出实用计算法，以便根据冲击回路参数估算操作波的波头、波尾和电压效率。

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"I think what we're seeing today in 2008 is just kind of the tail end of a whole wave of litigation to challenge restrictive laws that occurred in the wake of 2004, " Slater said.

NPR: In Ohio, Voter Registration Conflict Is Brewing

With penetration at only 8%, e-commerce penetration into retail will come in breadth (more categories) and depth (increase in spend in existing e-tail categories) driving a tidal wave of new opportunities for entrepreneurs and venture capitalists.

FORBES: New Rules For E-Commerce

The siren of the sea sits on a wave of rock crystal, a spume of colored sapphires below her tail.

FORBES: Magazine Article