The signal was processed using hardware filter plus software filter and the seam was tracked using threshold area plus proportional control.

信号的处理采用硬件滤波加软件滤波方法，采用门限区加比例控制的方法对焊缝进行跟踪。

youdao

There's also an off-road mode, which essentially gives you the option to switch over to Opera Mini for extra data compression for those times you need it -- this obviously comes in handy when you're reaching your data threshold or just in a low-reception area.

ENGADGET

The grey area hinges on the term "ordinarily resident" which is the threshold by which people are entitled to free NHS care.

BBC: Overseas 'health tourists' costing NHS at least ?40m