A.kV是有效值、mA是平均值
B.kV是峰值、mA是平均值
C.kV是平均值、mA是峰值
D.kV是峰值、mA是峰值
E.kV是有效值、mA是有效值
第1题
●The standard (67) in C language contain many useful functions for input and output,string handling,mathematical computations,and system programming tasks.
(67) A.database
B.files
C.libraries
D.subroutine
第2题
The standard class(17) in C + + language contain many useful classes for input and output, string handling, mathematical computations, and system programming tasks.
A.database
B.files
C.libraries
D.subroutine
第3题
The standard(67)in C language contain many useful functions for input and output, string handling, mathematical computations, and system programming tasks.
A.database
B.files
C.libraries
D.subroutine
第4题
The standard(68)in C language contain many useful functions for input and output ,string handling ,mathematical computations, and system programming tasks.
A.database
B.files
C.libraries
D.subroutine
第5题
The standard(68)in C language contain many useful functions for input and output ,string handling ,mathematical computations, and system programming tasks.
A.database
B.files
C.libraries
D.subroutine
第6题
A.database B.files C.libraries D.subroutine
第7题
A.database
B.files
C.libraries
D.subroutine
第8题
A、Polite language.
B、Concise language.
C、Standard language.
D、Useful language.
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