搜索 - 科创

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German Jet Engine and Gas Turbine Development 1930-1945原版电子书，矢量PDF格式～全面系统的介绍二战时期德国的喷气发动机和燃气轮机研发历程。也是...

请教谁有H2210槽型光电开关的接线电路图或PDF的datasheet也好，百度谷歌都搜不到相关的资料，感觉要在引脚加电阻限流什么的，但是具体不知道加多大怎么加，求助，谢谢另外这个我是打算用来测速的...

想找C4FM，D-STAR，DMR，TETRA，PDT的详细空口协议、基带编码规则和声码器，有朋友有这方面资料吗？另外假设要做一个接收机来解调其中一种制式的数字对讲信号，是否需要得到某种授权，会不...

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