基于NB-IoT的农田环境监测系统设计与实现
雷娟
Design and implementation of farmland environment monitoring system based on NB-IoT
LEI Juan
湖北农业科学 . 2022, (14): 165 -170 .  DOI: 10.14088/j.cnki.issn0439-8114.2022.14.030