理学 计算机算术 释 arithmetic operation 算术操作 按照算术规则进行的运算，包括加、减、乘、除等。
计算机硬件 计算机逻辑部件 释文 arithmetic operation 算术操作
- PET production process control systems
- Petra
- Petras Cvirka
- Petr Bezruč
- Petrel
- Petrels Society
- Petre Stoica
- Petri dish
- Petrie
- Petrified Forest National Park
- petrified wood
- Petri net
- Petri net language
- Petri net model
- Petri net with inhibitor arc
- Petri polygon
- Petri网
- Petri网模型
- Petr Nikitich Tkachev
- Petr Nikolaevich Fedoseev
- Petr Nikolaevich Krasnov
- Petro-Canada
- petrochemical complex fire
- petrochemical industry
- petrochemical industry catalyst