| 释义 |
British absolute system of units British absolute system of units[′brid·ish ′ab·sə‚lüt ‚sis·təm əv ′yü·nəts] (physics) A measurement system based on the foot, the second, and the pound mass; force unit is the poundal. Also known as foot-pound-second system of units (fps system of units). |