Abstract: An object of this invention is to provide innovated interchange and road network, the interchange of which is to avoid the traffic flow intersections to improve the traffic efficiency and speed and to lower probabilities of accidents of present interchange design and also which is suitable for batch manufacturing like prefabricated assembly to reduce cost significantly, and the road network of which is to provide better design for traffic especially for automatic driving traffic.

Abstract: This invention provides a building including plural floors and plural residence units which can combine the advantages of a townhouse and a large wide unit at a single floor of a residence building of plural floors which include big width and dedicated outdoor field.

Abstract: This invention provides a system for authentication center, so that a user can manage centrally at the authentication center the login status or the session status of different terminals used by the user logging in the accounts which the user has at different service parties.

Abstract: This invention provides an authentication center system which enables a user to manage the specific account information of the user's accounts at different service parties centrally in one authentication center.

Abstract: This invention provides a sales system combining online and offline which enables a user to contact the commodity offline and to purchase the commodity online, which makes the online and offline to be mutual beneficial.

Abstract: This invention provides an authentication center system which enables a user to manage centrally in one authentication center the specific account information of the user's accounts at different service parties.

Abstract: This invention provides a system for authentication center, so that a user can manage centrally at the authentication center the statuses of the logins or the sessions by which the different terminals used by the user enter the user's accounts at different service parties.