The first indication is that Tuesday afternoon's crash occurred after the metro system staff had switched to manual scheduling following a signal failure.

暗示星期二下午这场事故发生的第一个信号就是，地铁系统员工在信号指示失败后立刻转为手动操作。

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For years, this monumental synchronization task has been largely a manual process, occupying a dedicated staff of 50 to maintain the relevant database entries.

多年来，这项非同寻常的同步任务一直是大规模的手工处理，有50名专门人员从事维护相关数据库录入的工作。

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Finally, in a nod toward test-driven development, manual test scripts can be given to the development staff to provide a clear description of the way the application should flow across use cases.

最后，测试驱动的开发过程中，手工测试脚本可以为开发人员提供一个关于应用软件实现用例方式的清晰描述。

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Online fraudsters assault the known vulnerabilities on the websites on the busy days when the manual screening staff is overloaded with transactions.

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Times columnist and former Conservative MP Matthew Parris says it is refreshing to hear politicians use language that has not been culled from a staff training manual.

BBC: David Cameron

With a condition like deep-vein thrombosis for example, hospital staff relies on manual calculations to assess the risk of a patient.

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