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- First Strowger board manufactured for Bell System (Norfolk, Virginia). 佛吉尼亚州诺福克首次为贝尔系统生产史端乔底板。
- Prototype of the first video phone made by the Bell System shown at The World's Fair in Queens, New York City. 贝尔系统推出的第一个视频电话原形在纽约市皇后区举行的世界博览会上展出。
- The actual frequencies of the tones were unknown until 1964, when the Bell System itself released them in one of their journals. 实际频率的语气不明,直到1964年当钟声制度本身释放他们的期刊之一。
- Kernighan B W, Lin S. An efficient heuristic procedure for partitioning graphs. Bell System Technical Journal, 1970, 49:291-307. 刘明业.;数字系统自动设计
- With that one article, the Bell System accidentally exposed the vulnerability in its system and its entire network was at the disposal of anyone with a cursory knowledge of electronics. 同一篇文章,贝尔系统在无意中暴露了其脆弱是整个网络系统及其处置任何粗粗电子知识。
- The rehabilitation center is equipped with a complete and perfect intellectualized system: telephone, broadband access, cable TV, and emergency call bell system are installed for each nursing bed. 康复中心内智能化系统设计完善，电话、带、线电视、急呼叫等设施配备到床。
- G. E. Peterson , A. Carnevale , U. C. Paek , D. W. Berreman , “An Exact Numerical Solution to Maxwell's Equations for Lightguides,” The Bell System Technical Journal, September 1980. 张铭仁;孙迺翔;“以数值方式分析光纤结构”;义守大学电机工程研究所硕士毕业论文;2001年6月.
- Taylorism, the Bell system, and trusted computing are all efforts to remove human agency from action and replace it with well-designed, tightly-bound systems. 泰勒主义（Taylorism）、贝尔制度（Bellsystem）和可信任计算试图移除操作中的人类自主力量，并代之以设计完备、紧密结合的系统。
- The church bell tolled the hour. 教堂的鸣钟报时。
- The Combined Line and Recording (CLR) method of handling toll calls over long distances (100 miles or more) is introduced experimentally by Bell Systems. 贝尔系统实验性推出接录合并制方法处理远距离（100英里以上）长途电话。
- He chiseled a hole in the door to fit a new lock. 他在门上凿了个孔，以便装一把新锁。
- He locked the door and pressed the bolt home. 他锁上房门，并插好插销。
- He's locked in and nobody knows where the key is. 他被锁在房间里，没有人知道钥匙在什么地方。
- This lock can only be opened from the inside. 这把锁只能从里面打开。
- He put the key in the lock and turned it. 他把钥匙插入锁里转动。
- The two animals were locked in a fight. 这两头野兽打得难分难解。
- The bell tower is the emblem of this city. 这座钟楼是这个城市的象征。
- All their capital is locked up in land. 他们把全部资金都搁死在地产投资上了。
- There is a sonorous bell in the tower. 塔里有一口洪亮的钟。
- We must put a new lock on the front door. 我们得在前门上安一把新锁。
