文学 计算语言学 释 Chomsky hierarchy 乔姆斯基层级 A.N.乔姆斯基（Avram Noam Chomsky，美国，1928～ ）划分排序的四类形式语法。
Chomsky hierarchy 乔姆斯基分层
理论计算机科学 形式语言与自动机 释文 Chomsky hierarchy 乔姆斯基谱系
- security strategy
- security system of wage payment
- Security Technical Protection Standards System
- security technology
- security technology prevention
- security testing
- security tools
- security trading market
- security vulnerabilities
- security vulnerability scanning technology
- SED
- Sedan Crater
- sedative
- sedative-hypnotic
- sedative-hypnotic drug
- SEDDS
- sedecuplet
- sedenion
- sedenion algebra
- sedentary animal
- sedentary species
- sedge
- sedge family
- sediment
- sediment acoustics characteristics