释义 |
measured mile [`mezh·ǝrd `mīl] CIVIL ENGINEERING The distance of 1 mile (1609.344 meters), the units of which have been accurately measured and marked. NAVIGATION A length of 1 nautical mile (1852 meters), the limits of which have been accurately measured and are indicated by ranges ashore; used by vessels to calibrate logs, engine revolution counters, and such, and to determine speed. |