In recent years a lot of papers about technique for measuring a 3-d low turbulent flow field by means of rotating a X-type hot-wire probe has been published.

近年来用X型热线探头旋转法测量低湍流度的三维流场的报导较多，但是对它的使用范围以及测量精度论及的很少。

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D. A. pressured companies to reduce salt in those products, the industry said that doing so would ruin the taste of the foods already low in sugar and fat.

当食品和药物管理局强制公司减少那些产品中的盐时，该行业说这么做会破坏已经是低脂低糖的食品的味道。

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In 2007, the O. e. C. D. reports, about 17 percent of the French were over 65, a relatively low figure for Western Europe.

经合组织2007年的报告指出，在法国大约17%年龄超过65岁的人，相比其他西欧国家较低。

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They play indoors. Everything's indoors. And so we're actually starting to see low levels of vitamin D in areas where the sun is plentiful."

VOA: special.2011.01.05

So, if you'd like to switch into one of these three, they have very low numbers right now.

如果你们想要更改去上这三个课程，还有些名额。

麻省理工公开课 - 固态化学导论课程节选

You don't want--you know that you'd like to take money away from yourself in the high-outcome years and give it to yourself in the low-income years.

你不想...你知道,你想在高收入的年份中,拿出一点钱,给你自己低收入的年份

耶鲁公开课 - 金融市场课程节选

If 3-D attendance is low for that film, it might be time for studios and theaters owners to rethink their 3-D strategies before they kill the golden goose.

FORBES: Has 3-D Already Hit a Wall?

When people began relying heavily on a diet of bread at such a northern latitude, they probably became chronically deficient in vitamin D, for bread is generally low in vitamin D.

WSJ: Matt Ridley on Human Culture's Effect on Genes | Mind & Matter

No research to date has shown a definitive link between vitamin D and the development or progression of MS because it is possible people with MS simply have low vitamin D levels.

WSJ: Swedish Study Links Multiple Sclerosis to Vitamin D Levels