@article{CHEN Shu-ren:40, author = {CHEN Shu-ren, YIN Jian-jun}, title = {GPS Technology and its Application in Agriculture Engineer}, publisher = {Journal of Drainage and Irrigation Machinery Engin}, year = {2003}, journal = {Journal of Drainage and Irrigation Machinery Engineering}, volume = {21}, number = {5}, eid = {40}, numpages = {2}, pages = {40}, keywords = {GPS;Precision agriculture;Application}, url = {http://zzs.ujs.edu.cn/pgjx/EN/abstract/article_1029.shtml}, doi = {10.3969/j.issn.1674-8530.2003.05.013} }