The green urban transition, expansion or extension of the low density area, is a gradual conversion from a built to a planted environment.

绿色城市转型，低密度区的扩张或延伸，是从建筑环境到种植环境的逐步改变。

youdao

CT scans demonstrated distorted trabeculae in 15 femoral heads, and polymorphous high density sclerosis in 12, and in 3 of the 12 there was also low density area.

CT扫描15个股骨头显示骨小梁扭曲，12个股骨头内见多种形态高密度硬化区，其中3个股骨头合并低密度区。

youdao

The computed tomography scan (CT scan) shows a local low density area with a higher density arborization-liked image of hepatic vein in the right lower lobe of liver.

CT扫描显示肝右下叶局限性低密度区，其内可见密度较高的树枝状肝静脉影像。

youdao

An example of a better approach might be to group retail sites by high, medium and low population density in the surrounding 10 mile area.

FORBES: Esri Continues Focus on Spatial Analytics for Business