The quantitative chemical analysis of dioxins requires sophisticated methods that are available only in a limited number of laboratories around the world.
对二恶英进行化学量化分析需要非常先进的方法，世界上只有数量有限的几个实验室能够做到。
The method is good for quantitative analysis of flax fiber chemical composition.
本方法是一种对亚麻纤维进行化学成分定量分析的好方法。
A biosensor is one of the chemical sensors for quantitative analysis of the chemical compositions.
生物传感器是定量化学成分的化学传感器之一。
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