打印系统时间...速度变换[3](限一维) 同 时的相对 性[2] 长度收缩[2] 时间膨胀[2]...数据类型与寻址方式、80486的数据类型与寻址方式、80486的汇编语言...) 本章介绍PC机的主要外部设备的结构和工作原理,包括显示系统、磁盘-Print speed system time ... transform [3] (limited to one dimension) of the relative length [2] [2] contraction time dilation [2] ... and addressable data types, the type of data 80,486 and addressability, the assembly language 80486 ...) PC chapter describes the main external equipment structure and working principle, including the display system, disk