Main field : assembly、codename、term、location、fullname、sdate、edate、telno、liaison

Main field :

Main field : types_of、company_name、county、county_code

Main field : types_of、company_name、county、county_code

Main field : per_no、fact_name、factsale_county、factstore_county、boss、tel、fax、app_date、app_unit、app_unit_code

Main field : types_of、company_name、county、county_code

Main field : passperno、cname、ename、applyname、tel、apply_county、boss、makename、make_county、makeproduce、expyear、valdate

Main field : nomemgenericum、nomenspecificum、assortment、assortmentacy、control

Main field : per_no、fact_name、factsale_county、factstore_county、boss、tel、fax、app_date、app_unit、app_unit_code

Main field : sample_number、site、treatment、rice_cultivar、soil_cu_conc_aqua_regia、soil_cu_conc_n_hcl、rice_cu_conc、soil_zn_conc_aqua_regia、soil_zn_conc_n_hcl、rice_zn_conc、soil_cr_conc_aqua_regia、soil_cr_conc_n_hcl、rice_cr_conc、soil_ni_conc_aqua_regia、soil_ni_conc_n_hcl、rice_ni_conc、data_resource