密度: density; thickness为: support; stand for流体密度为1: g/cm沉积厚度为1: selection of outermost fixed points of per cent sediment thickness以测定密度为依据的方法: density method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. density硬度为: an h/an hh/a 2h pencil住宅发展密度第1区: zone 1 residential; zone residential饱和度为3: vslbg长度为零: zero-length厚度为4: thick stuff热度为零: heat dies down飞行高度为40: fly at an of feett能见度为零的: zero-zero其结合强度为: be cu ni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 be-1: 唇蜜will 1: 必竟; 就会; 准会厚度为9英寸的煤层: chance coal结构体的长度为零: zero length structure ------------------它的宽度为5英尺: it is five feet in width盐度为千分之二: in the sea water sampled the salinity is two parts per thousand以上年度为基础: preceding year basis最小屈服强度为70: ksi薄膜的最高显微硬度为8: gpa cbn