二维码门牌发展现状浅析

二维码门牌发展现状浅析

徐欣

Simple Analysis on the Current Situation of Two-dimensional Code Doorplates

XU Xin

湖北农业科学 . 2018, (21): 130 -133 . DOI: 10.14088/j.cnki.issn0439-8114.2018.21.034