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
- Zheng Yin
- zhengying
- Zhengyin Shuyuan (College of Correct Pronunciation)
- Zheng Yiqiu
- Zhengyi sect of Taoism
- Zheng Yizou
- Zheng Yongfei
- Zheng Youxi
- Zheng Yu
- Zheng Yuanjie
- Zhengyuan Shidao Lu
- Zheng Yuanyou
- Zheng Yue
- Zhengyue Troupe
- Zheng Yuguo
- Zheng Yunfeng
- Zhengzhai tea
- Zheng Zhaodao
- Zheng Zhemin
- Zheng Zhen
- Zheng Zhenduo
- Zheng Zhenduo's Essays on Classical Literature
- Zheng Zhenduo’s Collection of Chuanqi Plays: Volume 1
- Zheng Zhengqiu
- Zheng Zhengyin