老师:举手提个問
(1)“科学概念”和数学变量,物理量是什么关系?据说,数学变量有定义域。物理量有测量范围。
(2)“科学概念” 有否“内涵” 和 “外延”?
老师:举手提个問
(1)“科学概念”和数学变量,物理量是什么关系?据说,数学变量有定义域。物理量有测量范围。
(2)“科学概念” 有否“内涵” 和 “外延”?
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