2023年6月27日
物理量@基本单位@量纲
摘要： 基本单位 Base unit (measurement) A base unit (also referred to as a fundamental unit) is a unit adopted for measurement of a base quantity. A base quantit 阅读全文
posted @ 2023-06-27 11:21 xuchaoxin1375 阅读(147) 评论(0) 推荐(0)