类别：
- LRCF
- LRD
- LRDF
- LRE
- LRI
- LRUR
- LS
- LS
- LS
- LSA
- LSAN
- LSAP
- LSC
- LSC
- LSC
- LSC
- LSC
- LSD
- LSDV
- LSE
- LSE
- LSE
- LSE
- LSHIC
- LSI
- OpenGL
- LSIF
- LSIG
- LSL
- LSLAN
- LSLN
- LSN
- LSP
- LSP
- LSR
- LSS
- LSSGR
- SELinux
- DLF
- DLF
- ECT
- PFA
- CMS
- CMS
- KCD
- GDB
- WFA
- WFA
- SET
- DDCO
- CSDN
- AVS
- FLV
- SWF
- CODEC
- VCL
- ACI
- SMPS
- AEC
- HA
- PBN
- JEP
- VCVS
- ACB
- HASL
- CPCW
- LVD
- EJB
- VCA
- VCF
- Caps Lock
- ESS
- POP
- CESI
- CTA
