<正> Based on the manufacturing method now used in our country,caused low bear- ing capacity in the bolt-end,which is a potential danger in the bolt supporting
<正> The main factors that affect infrared surveying in roadway include that property of rock, electromechanical equipments running, environmental temperature,
<正> The Savitsky-Golay filter isa smoothing filter based on polynomial regression.Itemploys the regression fitting capacity to improve the smoothing results.Bu