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第四百七十二章

档次的那种，实际上间谍的工作涵盖面真的很广。不仅有高端的007系列，也有其他的并不是那么很高端的工作，这其中就包括了之前提到的测绘。

早在清代，乃至是鸦片战争之前的乾隆时期，就已经有外国人在广州等通商地区进行秘密的测绘工作，到了一战和二战时，更是如此。

等到了后世，经常有非法测绘人员被抓获的消息。

没办法，这年头卫星确实多了，可是很多东西还是需要人用脚丫子去走，去测量的...

有了详细的数据，将来的战争之中也就可以更容易掌握主动权。

严绍派出的这些探子，不仅是需要打探一些情报，也需要进行测绘工作。

在严绍当上青州牧的这几年里，这些探子为严绍提供了大量的情报，严绍州牧府的其中几个房间里，堆满了临近州的沙盘。都是根据探子们传回来的情报绘制的，这也让严绍在与对手们交手时，更能

嗯嗯，不好意思，后面的一定尽快补上！！！

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