@article{yjycl2108474122168041473, title = {浅谈地理信息系统在测绘领域的扩展应用}, author = {宁剑波}, journal = {冶金与材料}, year = {2019}, number = {3}, pages = {147--148}, issn = {2096-4854}, url = {https://yjycl.hljsm.org.cn/articles/2108474122168041473}, }