Regions with high natural arsenic levels have been trying to develop alternative water supplies (Science, 23 March 2007, p. 1659).

一些砷自然含量高的地区一直在努力的开发替代供水(Science, 2007年3月23日，1659页)。

youdao

Then you have to develop a P lan that gets you to your goal.

然后你再制定一个计划去完成你的目标。

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We would like to pay sincere friends Quartet P Plus friendly, County jointly develop the rich treasure of the earth.

我们愿诚交四方宾朋、八方友好，共同开发文县大地的丰富宝藏。

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Researchers will need to build off of this technology to develop chips comprised of many P-31 transistors that are able to be used for computation.

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But the big-name manufacturers are racing to develop and market new, phosphate-free or "P-Nil" products by July 1, 2010.

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For instance, Merck and Pfizer spent years trying to develop drugs that worked on a mysterious brain chemical called substance P.

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