The final basic cause that resulted in the failure is no working state monitoringsignal and failure warning signal of power supply source of controlled silicon excitation device.
最终查出造成机组事故的根本原因是可控硅励磁装置供电电源无工作状态监视信号及故障报警信号；
2
This lava field just north of the Myrdalsj?kull ice cap serves as one of many monitoring sites to track ground deformation that could serve as a signal of an impending eruption of Katla.
Chang thinks of this signal detection as a kind of "bacteriostat" mechanism: our cells are monitoring CSF as a way of detecting and adapting to important changes in the gut flora.