论文部分内容阅读
研究大、中、小比例尺土壤图编制方法的目的,是为了能更好地编制出各种比例尺的精确的土壤图,为科学研究和生产实践的不同要求服务。随着我国国民
The purpose of studying large, medium and small-scale soil map preparation methods is to better prepare accurate soil maps of various scales and to serve the different requirements of scientific research and production practices. With our nationals