他们开始研究敌情，分析敌情。
而在汉代，传递敌情之最有效、快捷的方法是将敌情以烽火信号的形式传递。
In Han dynasty, the most effective method was transmitting information about enemies by fire signal.
古代善于指挥作战的将领，必定先探查敌情，然后制定相应的对策。
In ancient times, generals who are good at commanding troops would surely seek out information about his enemy.
航迹规划的目的是要利用地形和敌情等信息，规划出生存概率最大的无人飞行器突防轨迹。
Path planning is designed to make use of terrain and enemy and other information to plan out the largest survival probability penetration trajectory of Unmanned Aerial Vehicle (UAV).
本文记述了该虫的生活史，发育历期、生活习性、发生与环境的关系及天敌情况，提出了防治建议。
Its life history, development at various stages, habits, relationship between occurrence and environment, and its natural enemies were dealt with. Last, the control methods were advanced.
本文记述了该虫的生活史，发育历期、生活习性、发生与环境的关系及天敌情况，提出了防治建议。
Its life history, development at various stages, habits, relationship between occurrence and environment, and its natural enemies were dealt with. Last, the control methods were advanced.
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