Various reverse transcriptase–polymerase chain reaction (RT–PCR) methods are available but are of variable sensitivity.
有各种逆转录酶聚合酶链反应(扩增核糖核酸基因组RT–PCR)检测试验方法，但灵敏度各不相同。
Smooth leather with silver chain edging one side, and heavy grain leather on the reverse.
一面是光滑的皮质，装饰有银链边饰，反面是粗糙的谷粒一样的皮质。
There is a new area on reverse supply chain.
逆向供应链属于一个新的领域。
Finally, we generalize the model into the reverse supply chain.
最后我们将这个模型推广到逆向供应链模型中。
As forward logistics, reverse logistics is also a component of supply chain.
逆向物流与正向物流一样，是供应链程序的一部分。
As forward logistics, reverse logistics is also a component of supply chain.
逆向物流与正向物流一样，是供应链程序的一部分。
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