We use a HALL-IC, US5881 to provide the zero-line signal of the saw-blade.

采用霍尔传感器US5881来提供检测锯片的零度线信号。

youdao

The two inputs are versatile dual XLR and 1/4" phone jack designs with active balanced line signal connection."

这两个输入通用双XLR和1 / 4“平衡的手机，积极的信号线连接插孔设计。

youdao

This paper presents an electricity-saving system controlled by Single chip Microcontroller AT89C51 and power line signal carrier.

设计了1种在单片机AT89C51控制下运行的、利用电力线载波发射控制信号的节电控制系统。

youdao

"We have now to concretize the measure which have been agreed upon 11 April and we have to send a clear signal that we will not let down Greece, and I think that is the bottom line of everything."

VOA: standard.2010.04.28

The most basic interpretation is to buy when the MACD line crosses above the signal line and sell when it drops below it.

FORBES: Demystifying the MACD

There were also problems on the London Underground's Jubilee Line because of signal failure at Neasden.

BBC: Signal failure delays commuters travelling west of London

But its fair to say the trend line makes the signal hard to argue with and clearly of concern.

FORBES: Biotech M&A in 2012: The Good, Bad, and Ugly