Altium Designer 文档： 英文官方： http://www.altium.com/documentation/18.0/display/ADES/From+Idea+to+Manufacture+-+Driv ing+a+PCB+Design+through+Altium+Designer#!FromIdeatoManufacture-DrivingaPCBDesignthro ughAltiumDesigner-CreatingaNewPCBProject