| 释义 |
absolute system of units
absolute system of units[′ab·sə‚lüt ′sis·təm əv ′yü·nəts] (physics) A set of units for measuring physical quantities, defined by interrelated equations in terms of arbitrary fundamental quantities of length, mass, time, and charge or current. absolute system of units
ab·so·lute sys·tem of u·nitsa system of measurement based on absolute units accepted as being fundamental (length, mass, time) and from which other units (force, energy or work, power) are derived; such systems in common use are the foot-pound-second, centimeter-gram-second, and meter-kilogram-second. |