工学 工程水力学 释 drop 跌水 使上游渠道水流自由跌落到下游渠道的连接建筑物。
drop ①滴 ②下落，降落
数据库 数据库管理系统及其实现技术 释文 drop 撤销
- Serre twisted invertible sheaf
- Serrin
- SERRS
- Serrurier truss
- SERS
- Serse
- Sersic index
- Sersic profile
- Sertar Lhamo Troupe
- Sertar Xian
- Sertoli's cell
- serum
- serum feeitsm
- serum ferritin
- serum response element
- serum sickness
- servant
- servant leadership
- servant-leadership
- servant subgroup
- Servant Yu's Rhinoceros-shaped Zun
- Servant Yu’s Rhinoceros-shaped Zun
- server
- server-centric architecture
- server certificate