The protector of electromotor have used heat relay for a long time, but heat relay not only has a dead area in the light over-loading area, but also can't protect open phase under so much circumstances.
电动机保护装置采用热继电器已有很长的历史，但热继电器在电机的轻过载区存在着“保护死区”，而且对断相保护在许多情况下起不到保护作用。
参考来源 - 三相电动机智能保护器的研究·2,447,543篇论文数据，部分数据来源于NoteExpress
藻类在死区大批生长。
It was kind of dead area and I wasn't initially sure of what to do with it until I found this great gilt settee on eBay that was the perfect size.
一开始这里是个死角，不也不知道拿它怎么办。不过后来我在Ebay上找到了这个大小正好的靠背镀金沙发。
So with the wide I/O linearization method of nonlinear reverse function, the generalized prediction control algorithm with dead area nonlinear compensation is suggested.
因此我们针对死区非线性特性，采用非线性逆函数的全局I/O线性化方法，提出了具有非线性补偿的广义预测控制算法。
The Dead Sea lost thirty-three percent of its surface area during the last half-century.
VOA: special.2009.05.18
The military says the anti-insurgency operation in the area has so far killed nearly 2,000 Taliban militants and left more than 300 soldiers dead.
VOA: standard.2009.09.11
"There is no justification for the international forces to rescue their own national, and retrieve the dead body of their own soldier killed in action, and leave behind the dead body of Sultan Munadi in the area."
VOA: standard.2009.09.10
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