IEC 60027-2A : 1.0已作废
LETTER SYMBOLS TO BE USED IN ELECTRICAL TECHNOLOGY - TELECOMMUNICATIONS AND ELECTRONICS - FIRST SUPPLEMENT
出版：International Electrotechnical Committee
专家解读视频
Contains four chapters dealing with: Chapter V: Quantities concerning waveguide propagation; Chapter IX: Letter symbols for scattering matrix and transfer matrix; Chapter X: Symbols for use in the field of static convectors using tubes or semiconductor devices; Chapter XI: Automatic control science and technology.
HD 245.2 : 200S1 - Identical
UTEC 03 002 : 1982 - Identical
NEN 10027-2 : 83 AMD 1 97 - Identical
NEN 10027-2 : 83 AMD 1 97 - Identical
UTEC 03 002 : 1982 - Identical
