搜索 - 科创

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针对产品的山寨一般能抄全PCB图纸抄走大部分器件选型、小部分工艺（在水平相近的竞争对手之间，选型和工艺诀窍反倒会成为借鉴的要点）一般抄不了机械结构公差配合之类问题完全抄不动产品设计的系统工程方法和可靠性控制方法

这是最廉价的方法了这总比火箭起飞后三个人一瞅恩 200多米有400了吧差不多300强多了本身没经过特殊训练的人对距离估算就不是很准确何况这个还是在天上没有参照物的情况下我的这个方法是跟一个受过国家专业训练的人聊天时他跟我说的

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