类别：
- ESU
- ET
- ET
- ETACS
- ETC
- ETE
- ETEC
- ETM
- ETOM
- ETX
- EU
- EVCS
- EVI
- EVRC
- EWC
- EWT
- EXS
- EYAS
- EYDFA
- F-CAPICH
- F-CPHCH
- F-DAPICH
- F-DCCH
- F-DPHCH
- F-EDFA
- F-FCH
- F-PCH
- F-PICH
- F-RAMA
- F-SCH
- F-SYNCH
- FA
- FA
- FA
- FAB
- FABM
- FAC
- FACCH
- FACH
- FAITH
- FAL
- FAL
- FAM
- FAN
- FART
- FAS
- FAS
- FAST
- FAT
- FATDDL
- FAW
- FAXIWF
- FB
- FB
- FBB
- FBG
- FBGLS
- FBR
- FBR
- FBS
- FC
- FCA
- FCAL
- FCC
- FCC
- FCCCH
- FCFS
- FCH
- FCLS
- FCN
- FCN
- FCP
- FCS
- FCS
- FCT
