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
- platform atomization
- platform case
- platform competition
- platform diving
- Platform Economics
- platform edge door
- platform for environment noise information management
- platform for hybrid integration
- platform for space astronomy
- platform goods vehicle
- platform independent model
- platform independent model, PIM
- platform inertial guidance
- platform inertial navigation
- platform inertial navigation system
- platforming
- platform in the deep water
- platform loading truck exhaust
- platform of aerial photography
- platform of numerical simulation
- platform pricing
- platform remote attestation
- platform screen doors
- platform screen doors of Urban Rail-Transit
- platform seeker