In order to establish proper toll discount rate and thus adopt and popularize the ETC(Electronic Toll Collection) technique reasonably, in this paper, the disaggregate method is applied to respectively analyze the relationships between the fare discount rate and the selection of ETC technologies, average delay of the system, as well as the ratio of cost increment to benefit increment.

Design for one type of multi-rate electric energy meter based on special purpose chip;

Research an improved model on toll rate of management toll;

From the angle that the road toll is for paying off loans,on the premise of consideration of both benefits between road constructor and the user,based on the transportation balanced theory and the optimized theory,a double-decked plan model of optimizing road toll rate based on paying off loans under the bala.

Therefore,during the determination of the optimal network toll rate,the toll location should be optimized at the same time.

Moreover,this article analyses the reasons resulting in this problem from angle of cognition,law,premium and technique inspect service,and comes up with some corresponding countermeasures.

Fire hazard assessment and premium rate planning for timber-processing businesses;

Determination of earthquake premium rate based on engineering seismic risk assessment;

A Study on the Influence of Flexible Crop Yield Distributions on Crop Insurance Premium Rate;

This article summarized the changing trend of American mutual fund fees and expenses since 1980 based on the ICI fact book 2003~2006,regarding three aspects of fees and expenses level and structure,factors leading to fees decrease as well as the innovation trend of mutual fund fees and expenses system.

Based of the past research, the paper analyzes the present fees and expenses level of the Chinese funds market and then establishes an econometrically measurement model of the fees and expenses on open-ended funds in China.