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【简答题】
为什么说交流异步测速发电机是交流伺服电动机的一种逆运行方式?
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【简答题】总体单位是标志的承担者,标志是依附于总体单位的。( )
【判断题】总体单位是标志的承担者,标志是依附于单位的。    (    )
A.
正确
B.
错误
【单选题】EB (Electronic Business) 是( )
A.
电子业务
B.
电子交易
C.
电子商业
D.
电子商务
【简答题】electronic business
【单选题】With the help of high technology in the past few years, electronic business ______  to bank industry and travel industry.
A.
applied
B.
have applied
C.
had been applied
D.
has been applied
【判断题】E-business equals to electronic business and internet business.
A.
正确
B.
错误
【判断题】总体单位是标志的承担者,标志是依附于总体单位的。(    )
A.
正确
B.
错误
【单选题】With the help of high technology, in the past few years, electronic business __________ to bank industry, travel industry.
A.
applied
B.
have applied
C.
had been applied
D.
has been applied
【判断题】Electronic business has much broader sense than electronic commerce.
A.
正确
B.
错误
【判断题】总体单位是标志的承担者,标志是依附于总体单位。
A.
正确
B.
错误