density
n. 密度,密集; 浓度
Density is the extent to which something is filled or covered with people or things.
...a law which restricts the density of housing...
限制房屋密集程度的法规
The region has a very high population density.
该地区的人口密度很高。
In science, the density of a substance or object is the relation of its mass or weight to its volume.
Jupiter's moon Io, whose density is 3.5 grams per cubic centimetre, is all rock.
密度为每立方厘米 3.5 克的木星卫星木卫一上遍布岩石。
1. the amount per unit size
2. the spatial property of being crowded together
The effect of baffle density on the collector efficiency has been also presented and discussed.
本研究亦探讨档板密度对收集器效率之影响.
Hole Density: The number of holes per unit area on a PCB.
孔密度: PCB上单位面积上的孔数.
The battery's high energy density means it is small enough to fit in the engine compartment.
该电池的高能量密度意味着它的体积足够小,以适应发动机.
Bombardments of such density will destroy any defensive works built by the enemy.
这样大密度的轰炸会摧毁敌人的所有防御工事.
A relationship between benzene conversion or products selectivity or energy efficiency and energy density was studied.
考察了苯的转化率、产物选择性、能量效率随能量密度的变化关系.