1、Northwest ern North ern Northwest ern West ern East ern Southwest ern South ern Southeast ern Top Uppermost Clockwise Downwind Left Right Forward Onward Center Upward Backward Downward Counterclockwise Anti-clockwise Upwind Bottom / Tail Nethermost / Downmost Latitude Longitude Perpendicular Vertica
2、l Cross Intersection junction Turn Left Turn Right Go Straight Go Ahead Walk Forward Walk Along Straight Ahead Turn Back Draw Back Walk Backward Unidirectional Monodirectional Single-Track One-way Parallel Two-way Duplex In Both Directions Move Towards Each Other In Oposite Directions Lengthwise Rel
3、ative Moments Reverse East Longitude West Longitude 30 W 0 E 30 60 90 120 150 E 180 W 150 120 90 60 30 6634N 60N 60N The Arctic Circle 30N 30N 2326N The Tropic of Cancer 0 0 Equator 30S 30S The Tropic of Capricorn 2326S 60S 60S The Antarctic Circle 30 W 0 E 30 60 90 120 150 E 180 W 150 120 90 60 30 6634S Prime Meridian Antimeridian Grenwich Mean Time International Date Line
