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
- software architecture pattern
- software architecture specification
- software architecture style
- software as a service
- software as a service, SaaS
- software asset manager
- software automation method
- software availability
- software bug
- software capability maturity model
- software change report
- software confidentiality
- software configurability
- software configuration management
- software copyright
- software correctness
- software defect
- software defined architecture
- software defined data center
- software-defined data center
- software-defined enterprise
- software defined network
- software defined network, SDN
- software defined network,SDN
- software defined radio