是属于工业现场总线的是： A: 基金会现场总线(FF) B: 控制网（control net） C: Profibus D: INTERNET

1号线门禁通讯数据采用格式传输（） A: XMC B: XML C: control-net D: Genius

Control (英文)______ and you control nations; control (英文)______ and you control the (英文)______ ; control (英文)______ and you control the world——Henry (英文)______

启动和关闭MySQL服务的命令是（）: mysql net start 和mysql net stop|mysql start net和mysql stop net|net mysql start和net mysql stop|net start mysql和net stop mysql

VS2010使用的.NET Framework的版本是？: .NET Framework 2.0|.NET Framework 3.5|.NET Framework 4.0|.NET Framework 4.5

Closed-loop control system is an automatic control system. Open-loop control system is not an automatic control system.

Important branches of intelligent control do not include A: expert control B: neural network control C: fuzzy control D: adaptive control

The one which does not belong to intelligent control is A: neural network control B: expert control C: fuzzy control D: deterministic feedback control

According to the characteristics of the control system, CNC machine tools can be divided into ( ),( ) and contour control machine tools. A: Point to Point Control B: open-loop control C: line motion control D: closed-loop control

By the end of 2015, china was a ( ). A: net creditor B: net debtor C: country with net capital inflow D: country with net capital outflow