速度符号V,微米符号μ 读miu
听听怎么读 英[ˈmaɪkrəʊmi:tə(r)] 美[maɪˈkrɑmɪtɚ] 是什么意思 n. 微米,百万分之一米(长度单位,符号为μm); 英英释义 Micrometre The micrometre (International spelling as used by the International Bureau of Weights and Measures; SI symbol: µm) or micrometer (Amer...