The former incorporate supervision and non-supervision classification methods and visual interpretation methods;
其中，传统的沙化信息提取技术包括监督与非监督分类法及目视解译法；
2
L-3 services will furnish personnel, equipment, tools, materials, supervision and other items and non-personal services for SIPRNet, DOD said. The company is expected to finish by April 30, 2009.
The company produces 1.0 to 35 standard products, the products have passed the Qingdao Municipal Bureau of Quality Inspection and Supervision test standards to achieve non-toxic and tasteless.