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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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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The ultrasonic wave hose seals the tail machine series to use in the toothpaste, the cosmetics, the drugs, food, the industry thing, and so on each kind of hose seals the tail.

该封尾机为超声波软管封尾机，适用于牙膏、化妆品、药品、食品、工业用品等各类软管封尾，工作稳定性好，效率高。

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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