In accordance with 133rd clause,1997 China criminal law ,this paper makes research on the traffic means in the crime of traffic,and analysizes the four opinions in the academic circle,draws the conclusion that the traffic means refer to not only the motor traffic means,but the non-motor ttaffic means.

According to the related regulation and practice,if they violate the traffic law,either the transporting persons of non-motor vehicles or those of motor vehicles can lead to serious accident.

The paper proposes that the electric bike can be a new appropriate transitional motorized traffic tool.

The practical way,resulting in "instrumental motivation" or "consequence motivation",to realize "frequency hypothesis" with "imitating and reciting" is discussed,which can transform from explicit performance to tacit competence.

The present study was aimed at exploring the effect of integrative and instrumental motivation on second language proficiency by incorporating expectancy-value theory.

The auther made an investigetion on the learning motivation of the short-term foreign learners in China, the result showed: the great majority of them have instrumental motivation, and the stronger one’s instrumental motivation is, the faster his Chinese level is raised.

Through analysis of fire causes and research on typical fire cases of vehicle,a fore-warning evaluation index system is established,which will conduct real time supervision of the potential danger and development of vehicle fires.

The main vehicles causing the accidents were bicycles and automobiles, which were.

Non-contact identification to vector and information exchange are realized by forming the RFID system which comprises of a reader and RFID card fixed in vectors (vehicle or equipments or people), having been applied to every realm of life.