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
- aluminium powder
- aluminium profile for building
- aluminium sulfate
- aluminium trichloride
- aluminizing
- aluminothermy
- aluminous cement
- aluminum
- aluminum alloy
- aluminum coating
- aluminum-containing wastes
- Aluminum Corporation of China
- aluminum diethyl monochloride
- aluminum dust explosion
- Aluminum emission line in the Galactic plane
- aluminum foams
- aluminum foil
- aluminum galium arsenide
- aluminum gallium indium phosphide
- aluminum gallium nitride
- aluminum hydride
- aluminum indium arsenide
- aluminum indium phosphide
- aluminum iodide
- aluminum isopropoxide