基于STM32 单片机及NB-IoT 的 智能快递包裹箱设计.Published in:Experimental Technology & Management, 2019, v. 36, n. 10, p. 148, doi. 10.16791/j.cnki.sjg.2019.10.035By:孙 英;汤帅鹏;赵欢欢;朱 旭;贾增虎;刘 毅;邢庆国Publication type:Article