By distinguishing the high density and crowd, this paper argues that it should be careful to use high-den.
通过辨识高密度与拥挤的关系，建议我国城市已有建成区采用高密度建设要慎重。
2
The results showed that Den. membranaceus has better physical properties than that of Den. yunnanicus, such as higher density, lower tangential and longitudinal dry shrinkage.