名词
1. The driver had to stop because the density of the fog made it difficult to see.
由于浓雾使道路很难看清，司机不得不停车。
2. The area had a population density of five people per square mile.
该地区人口密度为每平方英里五人。
1. 浓度：调整列印浓度(density)的设定. § 感光骨(photosensitive drum)可能有刮痕. 如果是黑白雷射印表机,用另一支新的碳粉匣,如为彩色印表机,换一个新的感光滚筒(imaging drum). § 印表机的加热模组(fusing assembly)可能需要更换.
2. 比重：比重 (density) 塑胶的比重硬度 (Hardness) 一般塑胶的硬度最常用 ROCKWELL (洛式硬度)及 SHORE (萧式硬度)两种测试法来表示. 其中 SHORE A常用来测定较软之塑胶,如 TPE 等弹性体或橡胶等,SHORE D则用来测定较硬之塑胶,
3. 密度 密度：多度(abundance)是一个数量上的比率4、密度:密度(density)是指单位面积上某个物种的个体数. 8、生产量:生产量(production )是指一定空间的有机体在单位时间内生产的有机物质的重量9、频度:频度(frequency)是指群落中某物种出现的样方数占全部调查样方数的百分率.
1. 密度;稠密;密集
Density is the extent to which something is filled or covered with people or things.
e.g. ...a law which restricts the density of housing...
限制房屋密集程度的法规
e.g. The region has a very high population density.
该地区的人口密度很高。
2. （物质或物体的）密度
In science, the density of a substance or object is the relation of its mass or weight to its volume.
e.g. 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。