principlesn.原则；原理；道义；节操名词principle的复数形式.principles of reinforcement加固机理principles of establishment建立原则principles of communication通信原理principles of strengthening加固原则principles of reconcilement协调原则principles of rectification精馏原理principles of microcomputer微机原理principles-based guidance原则导向Principles of Microcomputers微机基础principles- based approach原则导向