轨: rail; track密度: density; thickness道: road; way; route; path道密度: track density磁轨密度: tracks floppy-disk磁道密度 轨道密度: trackdensity磁道密度: tpi; track density; track width; tracks density沟道密度: gully density光道密度: track density河道密度: river density林道密度: forest road density卫星轨道密度: satellite orbit density倍道密度软磁盘机: double track density floppy disk drive分配销售渠道密度: distribution channel density密度: 1.(密集的程度) density; thickness 火力密度 density of fire; 兵力密度 density of troops; 那个国家的人口密度为每平方英里685人。 the population density of that country is 685 per square mile.2.[物理学] (物体的质量和其体积的比值) density 电流密度 current density; 海水密度 seawater density; 水银的密度比水大得多。 mercury has a much greater density than water.; 密度计 densimeter; densitometer; density gage; density indicator; gravitometer 密度（光学密度）: density(optical demsity)体密度, 卷密度: volume densityschnirelmann密度: schnirelmann densityγ密度: gamma density靶密度: target density保密度: secrecy倍密度: double density; dual density比密度: ecificde ity; specific density变密度: variable density标密度: scalar density
