延望
延望-
第二部对汉代居延地区候望系统的运作方式进行研究，由侦察与巡逻、烽火传递与烽燧自身的防御等几个方面的内容构成。
The second , research the acting means of presentiment system , this part is consist of spy and patrol signal fire transferring and recovery per se .
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该防御体系的前沿即为长城的候望系统，研究候望系统对研究整个汉代长城防御体系有极为重要的价值，本文试用大批汉简，对汉代居延地区的候望系统进行分析论述。
Presentiment system is the foreland of this defense system , research of this is very important in study of defense system of the great wall of Han dynasty .