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
- numbered asteroid
- numbered set
- numbered supernova
- number example
- number exponent
- number field
- number field order
- number field sieve
- number field signature
- number-flux relation
- number group
- number guessing
- numbering
- numbering method according to Thousand-Character Classic
- number interval
- number language
- number length
- number line
- number-magnitude distribution
- number manifold
- number module
- number needed to harm
- number needed to treat
- number notation
- number of a word