指南针,是我国古代四大发明之一,能辨别方向,是以为指南针受到了什么作用还有其他答案么?明确点我问的是受到了什么作用.是力的作用么?
来源:学生作业帮助网 编辑:作业帮 时间:2024/10/19 07:41:44
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