比: 2种: species瓶: bottle; vase; jar; flask比重: 1.(部分在整体中所占的分量; 比值) proportion 工业在整个国民经济中的比重 the proportion of industry in the national economy as a whole2.[物理学] (物体重量和其体积的比值) specific gravity; specific weight; 比重秤 hydrostatic balance; 比重测量 specific gravity test; (法) 比重分离器 (选种用) specific gravity separator; 比重管 picknometer; picnometer; 比重计 areometer; gravitometer; hydrometer; pycnometer; 比重天平 specific gravity balance; 比重 (法)选种 [农业] specific gravity selection (of seeds) 比中指: finger比重,假比重: bulk specific gravity比中合作协会: belgium cooperation with china比重-温度校正图: gravity-temperature correction graph比治利: lenny pidgeley比重-温度校正线图: gravity-temperature correction graph比滞性: specific viscosity; viscosity, specific比重-重量测定: gravity-weight measurement比滞留体积: specific retentin volume