| 释义 | 
		- n.【航】北进;【天】(天体的)北偏;北中;北赤纬
 - 网络北距;北航;北向纬度差
 
 n.  | 3. 【航海】北进,北驶,北航;【天文学】(天体的)北偏,北向纬度差;北中天,北中;北赤纬  |  
 n.  | 1. distance covered or movement made in a northerly direction, especially as measured by the difference in latitude between two points 2. progress made in a northern direction 3. a grid line on a map that runs from east to west. 4. the distance northward from an east-west grid line, shown in the second half of a map reference 1. distance covered or movement made in a northerly direction, especially as measured by the difference in latitude between two points 2. progress made in a northern direction 3. a grid line on a map that runs from east to west. 4. the distance northward from an east-west grid line, shown in the second half of a map reference  |  
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