本文适用于对嵌入式系统没有概念和经验，
渴望进入嵌入式系统开发的领域，
但又觉得系统太复杂，要学的东西太多，
感觉完全无从学起，无从下手
的
初级开发人员-this applies to the concept of embedded systems and no experience, eager to enter the embedded system development areas, but think the system is too complicated, to learn so many things, not feeling completely started learning the way of the primary developers
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