1 “... Electrotechnical Society, organized by China Electrotechnical Society (CES), held in Beijing, China, from September...”

2 “... Electrotechnical Society, organized by China Electrotechnical Society (CES), held in Beijing, China, from September...”

3 “... Electrotechnical Society, organized by China Electrotechnical Society (CES), held in Beijing, China, from September...”