文章比较了国内外的微质量检测的手段，并根据国内技术现状和实际情况，选择了以微石英天平传感器技术。

There are various means in little quality testing, according to the domestic technological condition, we chosed the QCM sensor technology.

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基于石英晶体微天平(QCM)原理的气敏传感器可以满足上述要求，因此近年来得到了研究人员的普遍关注。

Gas sensors based on quart crystal microbalance (QCM) principle that meet these requirements have drew much attention within research groups in recent years.

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