In order to have a good relationship among the three, the director of a journal, or the editor in chief should develop a strong communication consciousness, so as to strengthen emotional exchanging and information intercommunication among authors, editors and readers .

Finally, it suggests some methods to raise the success radio of QRP communication.

Through study on passenger transport schedule about provincial highway,domestic railway and air,this article discusses their characters with passenger traffic contacts spatial attenuating tendency,obtains their feasible,optimal and average working distance,gives out the curve estimate model by the way of statistic analyze.

With a brief introduction about the reforming of San Francisco Bay railway signal system,interoperability on the basis of CBTC technology.