伽利略曾经做过一个这样的实验如图所示让小球沿一个斜面从静止状态开始下滚小球将滚上第二个斜面达到与原来差不多的高度后再�下滚动.然后他 Template




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tomski伽利略曾经做过一个这样的实验如图所示让小球沿一个斜面从静止状态开始下滚小球将滚上第二个斜面达到与原来差不多的高度后再�下滚动.然后他 coloring