fundamental unit
柯林斯詞典
1. N one of a set of unrelated units that form the basis of a system of units. For example, the metre, kilogram, and second are fundamental units of the SI system 基本單位; 如：米、千克和秒是國(guó)際單位制系統(tǒng)的基本單位
返回 fundamental unit
1. N one of a set of unrelated units that form the basis of a system of units. For example, the metre, kilogram, and second are fundamental units of the SI system 基本單位; 如：米、千克和秒是國(guó)際單位制系統(tǒng)的基本單位