Question

帮忙把下面的中文翻译成英文，不要用软件，谢谢~

系统由带有A/D转换模块及看门狗模块的单片机、敏感元件、前置小信号放大电路、显示电器、键盘电路、声光报警电路、模式切换电路、电源电路、继电器控制电路等组成。其中单片机为系统的核心，完成数据的采集、处理、输出、显示等功能；双通道模式的敏感元件用于准确检测烟雾的含量，其输出与烟雾浓度对应的电压信号；小信号放大电路用于放大敏感元件输出的电压；显示电路用于显示烟雾的浓度；键盘电路用于调整报警界限及消音；报警电路用于对超限的烟雾进行声光报警；模式切换电路用于切换测量哪种可燃烟雾（液化石油气、氢气、甲烷）；电源电路为系统提供稳定的电压；继电器控制电路为用户需要留下扩展功能。

Answer 1

The system consists of a microcontroller with the A / D converter module and the Watchdog module, sensitive components, the front small-signal amplifier circuit, electrical display, keyboard circuit, sound and light alarm circuit, the mode switching circuit, power circuit, the relay control circuit, etc.composition. Which microcontroller as the core of the system, complete the data collection, processing, output, display and other functions; content of the sensitive element of the dual channel mode for accurate detection of smoke, the output voltage signal corresponding to the smoke concentration; small signal amplifier circuit is used to enlarge the sensitive components of the output voltage; display circuit is used to display the concentration of smoke; keyboard circuit is used to adjust the alarm limits and silencers; alarm circuit is used to gauge smoke sound and light alarm; mode switching circuit for switching measuring what kind of combustible smoke (liquefied petroleum gas, hydrogen, methane); provide a stable voltage power supply circuit for the system; relay control circuits need to leave behind for user extensions.

Answer 2

灌水。。。难道我会告诉你我小学英语不及格？