Meanwhile there was no significant difference of image quality between the two mA in coronal direct scan (P>0.05).

而直接扫描冠状面图像质量无明显下降（P>0·05）；

youdao

Meanwhile there was no significant difference of image quality between the two mA in coronal direct scan (P>0.05).

而直接扫描冠状面图像质量无明显下降（P>0·05）；

youdao