二、要把握时空序列人类的活动总是同时间和空间紧密地联系在一起的。时间和空间本身都是死的 ,但又是可以客观存在并自成动态系统的。它们可纵可横、可分可合地起“历史座标”的作用。时与空是历史学科体系结构中最基本的知识要素。(一 )历史随时间流动历史学科最突出的特征之 Second, we must grasp the sequence of time and space human activities are always closely linked with time and space. Time and space are dead, but they can be objective and self-dynamic. They can play horizontally, separably, and function as “historical coordinates.” Time and space are the most basic knowledge elements in the structure of the historical discipline. (i) The most prominent features of the history disciplines that history flows over time