释义 |
nautical milen.(名词)abbr. nm, n.m., NM【缩写】- A unit of length used in sea and air navigation, based on the length of one minute of arc of a great circle, especially an international and U.S. unit equal to 1,852 meters (about 6,076 feet). Also called sea mile 海里:在航海和航空上应用的长度单位,按地球大圆一弧分长计,尤指国际和美国单位,相等于1,852米(大约6,076英尺) 也作 sea mile
|