The night shift should have been safely down the mine long ago.

　　上夜班的礦工應該早就安全地到達井下了。

　　Doctors should be able to decide who they can safely let out of hospital early.

　　醫生應該有權決定誰(shuí)可以安全地提早出院。

　　The first part of the plan has been safely accomplished.

　　計劃的第一部分已順利完成。

　　Realization of Network Machine Voting System and Study of Its Safeness

　　網(wǎng)絡(luò )機器投票系統實(shí)現和安全性研究

　　Liveness and safeness are important behavioral properties of net systems.

　　活性和有界性是網(wǎng)系統的重要行為特性。

　　The designed system adopted redundant structure, and increased the safeness and the reliability of the system.

　　在系統硬件配置中，采用冗余結構，提高系統的安全性和可靠性。