Blind Courtesy Copy (email addressee field)盲目的礼节副本(电子邮件收件人场) Blind Carbon Copy (email addressee field)盲目的副本(电子邮件收件人场) Basal Cell Carcinoma基底细胞癌 Blind Courtesy Copy密件副本 Body-Centered Cubic体心立方[晶格] Bearer Channel Connection承载信道连接 Business Centre Club商务中心的俱乐部 Biotec Culture CollectionBiotec文化收藏品 Bangladesh Computer Council孟加拉的计算机 B-channel Connect ControlB通路连接控制 Block Character Check块特性校验 British Copyright Council英国版权委员会 Broadband Communication Channel宽带通信信道 Basic Computer Concept计算器（基本计算机）概论 basal cell carcinoma