Modern urbanization and industrial revolution,good and easy transportation and communication systems,sophisticated exploration and exploitation technology of hidden mineral resources are the indicators of development ...Modern urbanization and industrial revolution,good and easy transportation and communication systems,sophisticated exploration and exploitation technology of hidden mineral resources are the indicators of development activities.It is now well recognized worldwide that without development activities upgrading of living standard and sustainability of a society can not be achieved.展开更多
文摘Modern urbanization and industrial revolution,good and easy transportation and communication systems,sophisticated exploration and exploitation technology of hidden mineral resources are the indicators of development activities.It is now well recognized worldwide that without development activities upgrading of living standard and sustainability of a society can not be achieved.
