Figure 4 a: Amplification curves of positive and negative controls in specific test. We can see that negative control did not amplify and was a straight line.

图4A：特异性实验中的阳性和阴性对照的扩增曲线，阴性对照在图中显示为一条直线，未见扩增。

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Figure 4 a: Amplification curves of positive and negative controls in specific test. We can see that negative control did not amplify and was a straight line.

图4A：特异性实验中的阳性和阴性对照的扩增曲线，阴性对照在图中显示为一条直线，未见扩增。

youdao