Density
01
密度, 体积密度
(physics) the degree to which a substance is compacted, measured by dividing its mass by its volume
例子
The density of water is approximately 1 gram per cubic centimeter (g/cm³).
水的密度约为每立方厘米1克（g/cm³）。
02
密度, 集中度
the spatial property of having elements packed closely together, typically expressed as the number of units per given area or volume
语法信息
有生性状态
抽象
形态构成
复合词
不可数
复数形式
densities
例子
Urban planners analyze population density to determine where to build new transit lines.
城市规划者分析人口密度以确定在哪里建设新的交通线路。
03
密度, 不透明度
the degree to which light is blocked or absorbed by a photographic filter or film, usually measured in stops or optical density units
例子
The photographer adjusted the filter density to reduce glare.
摄影师调整了滤镜的密度以减少眩光。
