从现场的实际情况出发，笔者研究了双机热备计算机联锁控制系统的安全度和可用度指标。
Based on the on-site practical situation, security index and usability index of the dual module hot spare (DMHS) computer interlocking control system are studied.
岂不是一个妇人从城上抛下一块上磨石来，打在他身上，他就死在提备斯吗？
Didn't a woman throw an upper millstone on him from the wall, so that he died in Thebez?
岂不是一个妇人从城墙上抛下一块上磨石来，打在他身上，他就死在提备斯么？
Did not a woman throw an upper millstone upon him from the wall so that he died at Thebez?
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