理学 系 释 system 系 级别小于界，大于统的年代地层单位。
热学、统计物理学 统计物理学 system 系[统]
corollary 系†，推论；推论的 porism 系；推论；不定设题
数据库 数据库理论 释文 set 系
- finite set algebra
- finite-sheeted surface
- finite simple group
- finite simplicial complex
- finite singularity
- finite size effect
- finite-size effect
- finite size scaling
- finite-size scaling
- finite source queue
- finite space
- finite speed of propagation
- finite square well
- finite-stage model
- finite standpoint
- finite state
- finite-state automaton
- finite-state channel
- finite state grammar
- finite-state grammar
- finite-state language
- finite-state sequential machine
- finite state system
- finite state transducer
- finite state transition matrix