【简答题】S7-200 PLC 常用的编程语言有( )、( )、( )及( )。
【判断题】第四次创业浪潮的特点之一是与传统行业结合,传统行业转型。
【单选题】下列对于司机的介绍表述恰当的是:
A.
The bus driver is Mr. Wang. He has driven for 10 years. He is a good driver and he is sure to make your travel safe and sound.
B.
Our driver is Mr. Wang. He is very experienced. There is no worry about him. Everything is under control.
C.
Our driver is Mr. Wang. He has more than 10 years of driving experience, so he will make sure we have a safe and pleasant trip in Shanxi.
【简答题】S7-200系列PLC常用的编程语言有什么?
【简答题】S7-200系列PLC的SIMATIC指令系统常用的编程语言有梯形图( LAD )、 语句表(STL) 和 3种编程语言。
【简答题】S7-200PLC常用的编程语言有____ 、_____和功能块语言。
【判断题】投资者之所以愿意投资,是因为投资的预期利润率高于利率。