Gas chromatography is a regular detecting method in the analysis of pesticide residues. The united technique of SPE-GC realized the optimization of SPE and GC.

气相色谱是农药和药物残留分析中应用最多的分析检测方法，固相萃取和气相色谱的联用实现了样品前处理及分离分析的优化组合。

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Experts from the INC used this technique for five months, until December 2008, when the discs were sent to the United States.

INC的专家们在2008年12月硬盘被送到美国之前，使用这种技术猜解了5个月。

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The same technique has been used in the last decade by many urologists in the United States and throughout the world.

在最近10年中，这项技术被美国以及全世界许多泌尿专家所采用。

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The challenge is this: the United States has embraced shale gas and the technique of fracking.

BBC: Europe's push against tax fraud gains momentum