• 2022-06-07
    According to the basic principle of message exchange, the function of its exchange system can be summarized as ( ).
    A: storage system
    B: forwarding system
    C: store and forward system
    D: transmission control system
  • C

    内容

    • 0

      The advantages of computer numerical control systems do not include ( ). A: Using software to change the function of NC system flexibly, high flexibility B: Making full use of computer technology and its peripheral equipment to enhance the function of numerical control system; C: The function of NC system is realized by hardware, and the reliability is high D: The system performance price ratio is high and the economy is good

    • 1

      What’s the type of the control system on CFM56-3 engine? ( ) A: pneumatic mechanical system B: EEC system C: FADEC system D: hydro-mechanical system

    • 2

      Which of the following phenomena belongs to an adiabatic process ?() A: The temperature of the system remains unchanged B: The system does not absorb heat from the environment C: No heat exchange between the system and the environment D: The internal energy of the system remains unchanged

    • 3

      According to structural view,which of the following is not the sub-system of linguistic system? A: The system of sounds B: The system of words C: The system of grammar. D: The system of syntax

    • 4

      The typical automatic transmission consists of____. A: a fluid torque converter B: a planetary-gear system C: a hydraulic control system D: differential