Focuses had sign of the patch shaped low-density areas and high-density plot area scattered in them. They all had mass effect in different degree.

病灶为大片低密度影内可见散在、分布不均匀的斑点或斑片状高密度影，有程度不一的占位效应。

youdao

The transcripts and written passages amounted to about 200 pages of scattered scenes and suggested plot resolutions, which became three books spanning more than 2, 000 pages.

WSJ: A Last Turn for Wheel