Photo taken on Dec. 11 shows the exterior of a multi-functional road detector car. China's first multi-functional road detector car with its own intellectual property rights comes out recently, which cost Chinese scientists eight years to tackle technological difficulties. (Xinhua Photo)
A technician demonstrates how the multi-functional road detector car works on Dec. 11, 2008. (Xinhua Photo)
Photo taken on Dec. 11 shows the tail exterior of a multi-functional road detector car. (Xinhua Photo)
