手动:可以向J VM发送一个信号,要求JV m生成堆转储。
Manually: You can send a signal to the JVM asking it to generate a heap dump.
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。
The first indication is that Tuesday afternoon's crash occurred after the metro system staff had switched to manual scheduling following a signal failure.
有了这一模块,用户可以手动调试设置信号和测试安装及设备。
With this module, users can manually set signals for commissioning and testing installations and devices.
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