lines per minute英 [laɪnz pə(r) ˈmɪnɪt]美 [laɪnz pər ˈmɪnɪt]每分钟行数电力双语例句Lines per minute ( lpm): A standard measurement of typesetting speed or line printer speed.每分钟行数:排字速度或行印机速度的标准计算法。