网络与数据通信 协议体系与组成结构 释文 OSI presentation layer OSI表示层
- belladonine
- belladonna
- Bella (Izabella) Akhatovna Akhmadulina
- bell and board
- Bellatrix
- Bellavitis
- Bell basis
- Bell crater
- bell curve
- BELLE
- Belle experiment
- Bellerophon
- belles-lettres
- Belles-Lettres in China and Their History
- Bell-Evans-Polanyi principle
- Belle Ⅱ Experiment
- BelleⅡ实验
- Belle实验
- bellflower
- bellflower family
- Bell formula
- Bell Howell Co.
- belligerents
- Bell inequality
- Bellingham gasoline pipeline explosion