工学 总论 释 top-down 自上而下 在规划的制定、实施过程中，规划及相关政策的执行者（政府）是主要的参与者，并集中关注在宏观层面决策和贯彻落实衔接的方式。
软件工程 释文 top-down 自顶向下
- Langmuir's equation
- Langmuir's isotherm
- Langmuir wave
- Langmuir wave instability
- Langmuir wave turbulence
- Langmuir–Hinshelwood mechanism
- Lango
- Lang people
- Lang Ping
- Lang Qi
- Langqi Dao
- Langqên Zangbo
- Langrenus crater
- Lang Shan
- Langshan chicken
- Lang Shijun
- Lang Shiyuan
- Langston Hughes
- Langsu languag
- Lang Tingji
- language
- language acquisition
- language acquisition device
- language acquisition of sign language
- language analysis