The Transformation and Qualitative Change of a Contradiction in Surveying and Mapping Discipline
Xiaoming Yang · Journal of North China Institute of Water Conservancy and Hydroelectric Power · 2007
In natural science,scientific invention and technological blazing new trails often result from impelling the opposite spear and shield 's transformation and qualitative change which has become the main feature of modern surveying and mapping technology and made surveying and mapping discipline change greatly.