warning circuit造句

• Hardware framework of the system is based on isa buses of general pc or ipc , including 12 _ bit multiplying d / a conversion , time interrupt , pulse receiving , zero check and on - off and warning circuit
  该系统硬件结构是基于普通pc机或工控机的isa总线而开发，其功能集12位dac转换、定时中断、脉冲接收、倍频辨向计数、零点检测及使能报警等于一体。
• The circuit mainly includes the system power , the system clock , the rs - 485 interface , the key and the led display , the 4 - 20ma conditioning and a / d conversion , the watchdog and the low voltage detection and the external eeprom , the warning circuit
  主要包括:电源和时钟模块、 rs - 485通信模块、按键和led数码管显示模块、 4 - 20ma调理及a / d转换模块、看门狗/低压检测模块和报警模块等。