@article{秦 华_246, author = {[秦 华, 夏清国, 付 钰]}, title = {基于IEC61131-3标准的PLC编程环境}, publisher = {计算机工程}, year = {2009}, journal = {计算机工程}, volume = {35}, number = {23}, eid = {246}, pages = {246-248,}, keywords = {可编程逻辑控制器;梯形图;指令表;IEC61131-3标准}, doi = http://www.ecice06.com/CN/10.3969/j.issn.1000-3428.2009.23.086 }