Parts feature model

parts information model

spare parts supervise model

“differential” wear rate model

“Current”statistical model

“1+X+Y” model

“1+1”health education model

’through-train’ model

’three assessment topics and one overall risk management’ model

’Double chain’ type eco-agriculture model

(service) model

(exp-6-1) potential model

(development) model

(active) contour model