Using this method can not only be convenient to measurement of roving stretch rate, but also shorten the testing spinning cycle of the roving.

用这种方法不仅能使粗纱伸长率的测量变得十分方便，而且还可使粗纱的试纺周期大大缩短。

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At that rate, a one-mile stretch of four-lane highway could power about 500 homes.

以这样的速率，一段1英里4车道的公路段将可以为500个左右的家庭供电。

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Valuing these liabilities is tricky because they stretch many years into the future and their current worth swings wildly in response to small changes in the “discount rate” used to value it.

这类负债需要非常审慎的计价，因为其在未来多年递延，用来定价的“贴现率”哪怕有微小的变化都将对其现值产生巨大的波动。

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Similar to Google, but they also put that video in front of people and they rate that stretch of road.

FORBES: Move up http://i.forbesimg.com t Move down

Men are far more likely to own guns than women are, but the rate of gun ownership among men fell from one in two in 1980 to one in three in 2010, while, in that same stretch of time, the rate among women remained one in ten.

NEWYORKER: Battleground America

But it was down the stretch that the fight was won, Mayweather upping his work-rate as the champion almost ground to a halt.

BBC: Mayweather overcomes De la Hoya