1.緯度的度量從______開始,赤道為______,越往__________方向緯度越____.
2.經(jīng)線的度量從______開始.______經(jīng)線又叫做_____________,往____和____方向各分為_______,合起來共_______.向東的為_________,向西的為_________.___________和_________實際是一根經(jīng)線.經(jīng)度共有_______.緯線共有_________根,緯度共有__________.
3.東____代碼______,西________代碼______,南________代碼______,北________代碼______,
4.地球上最重要的5根緯線圈,(橫線名稱,括號代碼):
_____________( );_____________( );_____________( );_____________( );_____________( ).
5.將0-90度緯度分為3段,分別是_____________( );_____________( );_____________( ).
6.東西半球的劃分以_________和__________這一組合的經(jīng)線圈將地球分為_________兩半球.
7.經(jīng)過英國倫敦的格林尼治天文臺的那根經(jīng)線就是______經(jīng)線.
向東的為_________,向西的為_________.___________和_________實際是一根經(jīng)線.經(jīng)度共有_______.緯線共有_________根,緯度共有__________.