释义 |
物理量wùlǐliàng量度物质的属性和描述其运动状态时所用的各种量值,如重量、质量、速度、时间、温度、功、能、电压、电流等。{physical quantity; attribute of a measured substance and the quantitative value used in describing its motion, as weight, mass, velocity, time, temperature, power, energy, voltage, electric current, etc.} |