There has been discussed the main principle and design method of two newly tested circuits- oil-addition circuit a…

文中还着重阐述了两种新试验的回路—补油回路和安全闭锁回路的设计指导思想及具体设计方法。

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System design mainly includes the addition circuit, A/D analog-to-digital conversion module, serial communication module, PC display module, etc.

系统设计主要包括加法电路，A/D模数转换模块，串口通信模块，上位机显示模块等部分。

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There has been discussed the main principle and design method of two newly tested circuits - oil-addition circuit and safe-blocked circuit as well.

文中还着重阐述了两种新试验的回路—补油回路和安全闭锁回路的设计指导思想及具体设计方法。

youdao

The Velodrome cycling track will be converted into VeloPark, which, with the addition of a mountain bike course and road-cycle circuit, will be open for community and club sports.

BBC: Touring the cities of Olympics past

In addition there will be a few teams of dog catchers around the circuit.

BBC: India F1: Buddh International Circuit 'dog proof'

In addition, the first fence almost never produces a faller on the second circuit: Since 2000, just six horses have fallen there on the second lap of the course.

WSJ: Why They Fear Aintree's First