释义 |
measured mile
measured mileIn maritime navigation, distance precisely measured and marked, used by a vessel to calibrate its log.measured mile
measured mile[′mezh·ərd ′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. |