1.纬度的度量从______开始,赤道为______,越往__________方向纬度越____.
2.经线的度量从______开始.______经线又叫做_____________,往____和____方向各分为_______,合起来共_______.向东的为_________,向西的为_________.___________和_________实际是一根经线.经度共有_______.纬线共有_________根,纬度共有__________.
3.东____代码______,西________代码______,南________代码______,北________代码______,
4.地球上最重要的5根纬线圈,(横线名称,括号代码):
_____________( );_____________( );_____________( );_____________( );_____________( ).
5.将0-90度纬度分为3段,分别是_____________( );_____________( );_____________( ).
6.东西半球的划分以_________和__________这一组合的经线圈将地球分为_________两半球.
7.经过英国伦敦的格林尼治天文台的那根经线就是______经线.
向东的为_________,向西的为_________.___________和_________实际是一根经线.经度共有_______.纬线共有_________根,纬度共有__________.