静态扫描可用于开发人员在开发环境中直接扫描源代码。
A static scan can be performed by developers who scan the source code directly in the development environment.
而直接扫描冠状面图像质量无明显下降（P>0·05）；
Meanwhile there was no significant difference of image quality between the two mA in coronal direct scan (P>0.05).
由接触复制或由激光直接扫描而得的半色调点子。参阅软点。
Hard dots Half-tone sots produced either by contact or by direct laser scanning. See Soft dots.
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