[mì dù]
(密集的程度) density; thickness
density of fire
火力密度
density of troops
兵力密度
The population density of that country is 685 per square mile.
那個(gè)國家的人口密度為每平方英里685人。
[物] (物體的質(zhì)量和其體積的比值) density
current density
電流密度
seawater density
海水密度
Mercury has a much greater density than water.
水銀的密度比水大得多。