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2.On the basis of a comparison between the established urban rail transit networks some well-known foreign cities and the transit network schemes for some metropolitan cities in China, some problems concerning transit networks, TOD mode, service quality and economics are addressed.
3.Calculation on Disposition of Fuel Streamline Net in Combustion Chambers for Marine D I Diesel Engine with Small and Middle Diameter of Cylinders
4.Then based on IACS, we implemented aswitchbox router in which ants attracted by pins and coordinated by stop-to-waitmechanism can avoid routing conflict affectively and route all nets quickly whileoptimize total wire length and vias.
5.In this algorithm, vias can occur between any layers, and could not cross with the other nets at any layers.
6.The recommendation network scheme will become a foundation to the financial budget of the local government, the project of calling for bid and the construction scheme of the near future.

