下列关于地球自转速度的叙述正确的是 A.赤道上自转的线速度和角速度都最大 b.南北纬45°处自转线速度约为赤道处的一半 c.北京的自转角 Template




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tomski下列关于地球自转速度的叙述正确的是 a.赤道上自转的线速度和角速度都最大 b.南北纬45°处自转线速度约为赤道处的一半 coloring