Main field : county、cno、facname、fperno、yyyyq、mno、mname、eno、ename、fcode、fname、ysqty、ucode、uname、o_date

Main field : nsc、nsc_sub、utme、utmn、dict、em_tsp、em_pm、em_pm6、em_pm25、em_sox、em_nox、em_thc、em_nmhc、em_exhc、em_ehc、em_rhc、em_rst、em_co、em_pb、em_nh3

Main field : measureid、measurelocation、measuredate、county、township、measureaddress、powerdensitymax、itemunit、legal、radiatortypename

Main field : item、applicant、importarea、vehiclecertno、enginefamily、vehiclemodel、approveddate、accelerationnoise、stationarynoise、maximumpower、enginecapacity、powerrpm、engineno

Main field : city、date1、case1、average1、date2、case2、average2、date3、case3、average3、date4、case4、average4

Main field : item、applicant、importarea、vehiclecertno、enginefamily、vehiclemodel、approveddate、accelerationnoise、stationarynoise、maximumpower、powerrpm、enginecapacity、engineno

Main field : item、applicant、importarea、vehiclecertno、enginefamily、vehiclemodel、approveddate、accelerationnoise、stationarynoise、maximumpower、powerrpm、enginecapacity、engineno

Main field : item、applicant、importarea、vehiclecertno、enginefamily、vehiclemodel、approveddate、accelerationnoise、stationarynoise、maximumpower、powerrpm、enginecapacity、engineno

Main field : year、district、amplification、fixengine、enginepowered、vehicle、railrode、highspeedrailway、metro、road、aviation、neighbouranimal、neighbourresidence、leqcooltower、leqaircondition、leqventsystem、leqfreezer、leqfan、leqmotor、leqgenerator、leqtransformer、leqothers、folkactivity、others

Main field : item、applicant、importarea、vehiclecertno、enginefamily、vehiclemodel、approveddate、accelerationnoise、stationarynoise、maximumpower、powerrpm、enginecapacity、engineno