控制论
参考答案:
研究控制系统的状态、功能、行为方式及其变动趋势,使系统按预定的目标运行的技术科学。
______ is the kindness of the nurse that the patient can never be ______ to her.
A.So; too thankful
B.Such; so thankful
C.So; that thankful
D.Such; thankful such
专有技术