高一地理計(jì)算時(shí)差
高一地理計(jì)算時(shí)差
70°E為6:00求20°W
過(guò)程并說(shuō)明原因
70°E為6:00求20°W
過(guò)程并說(shuō)明原因
其他人氣:503 ℃時(shí)間:2020-04-15 04:50:57
優(yōu)質(zhì)解答
東加西減.70°E在20°W的東邊,東邊的地方時(shí)要大,西邊的要小.先計(jì)算經(jīng)度差:為90°(經(jīng)度差:如果都是東經(jīng)或者是西經(jīng)的,那么相減;如果一個(gè)是東經(jīng),一個(gè)是西經(jīng),就相加);再算時(shí)間差:每15°相差一個(gè)小時(shí),那么90°就相...
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