reconnaissance means

• 侦察手段

reconnaissance means的用法和样例：

例句

1. It is possible for a commander to reduce errors and give generally correct direction,first through all kinds of reconnaissance and then through intelligent inference and judgement.
   先之以各种侦察手段，继之以指挥员的聪明的推论和判断，减少错误，实现一般的正确指导，是做得到的。