理学 基于UML的设计 释 activity diagram 活动图 统一建模语言（unified modeling language; UML）的一种行为图，由各种动作结点、控制结点和它们之间的控制流、对象流等元素构成。
软件工程 释文 activity diagram 活动图
- Theo van Doesburg
- The Overall Design of Museum Display
- the overall responsibility system of the director of the state-owned farm
- The Overcoat
- the Overview of Chinese Garden
- The Owen Falls Reservoir
- The Owl in the Room
- The Owl Who Married the Goose
- The Owner of Wuwang Village
- The owners' committee
- the ownership of the house
- The Oxford Guide to Practical Lexicography
- The Oxford Handbook of Screendance Studies
- The Oxford History of South Africa
- the oxygen group elements
- the Pacification Commissions
- The Pacific Islands: An Encyclopedia
- The Pacific Rim Research Libraries Alliance
- The Pageant of Peking
- The Painted
- The Painted Skin
- the painting atlas of Beijing Custom
- The Painting of Cicada in Litchi
- the paintings for export from Guangdong
- the painting style of the Caos