科学导报·学术 2021年第6期-龙源期刊网 - qikan.com:1994-12-18 · 科学 教育前沿丨 简易无线充电系统设计 摘 要：本设计基于电磁感应原理制作的一款简易无线充电系统。无线传输方案的选择是经查阅资料，在现有的四种方案中选择了最简单易行的电磁感应方案。在能量发送端采用六反向器CD4069的晶体振荡电路 ...
苹果软件-免费软件站-outline-打折9折便宜还是8折
苹果软件-免费软件站-outline-打折9折便宜还是8折
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