Nature and aim of theGroup Gorporation China Hydropower EngineeringConsulting Group Corporationset up at the end of 2002 withthe approval of the StateCouncil had restructured seven researchinstitutes of investigation and design(Beijing,East China,Northwest,Mid-south,Chengdu,Guiyang,Kunminginstitutes)and China Water Resourcesand Hydropower Construction Engi-
Model: Customer: DATE: VER:2.0 初级 次级 NO normal 5 frequency point frequency point frequency point frequency point 7 8 9 # # # # # # 1K 10K20K 核准 : 会审 : 测试 : 表单编号 : □subwoofer (RMS POWER) □satellite □subwoofer □satellite □subwoofer □satellite 20Hz 30 50 70 100 200 400 600 2K 3K 4K 5K dB mV kΩ Hz KHz Hz Hz dB Unit W W W W % % mV 1KHz 10KHz 1KHz (MIN) (MAX) 100Hz 1KHz 100Hz 1KHz 100Hz 1KHz