This section specifies the special terms for rotating electrical machines. This part is applicable to the formulation of standards, preparation of technical documents, preparation and translation of professional manuals, teaching materials and books, for use by personnel engaged in production, scientific research, application and teaching of electrical and related professional work. The terms specified in this part are coordinated with the relevant parts of GB/T 2900.1 "Basic Terms of Electrotechnical Terminology"; terms not specified in this part can be specified in relevant standards when necessary.