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【判断题】
自定义序列后,该序列不能够再进行编辑或删除
A.
正确
B.
错误
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【简答题】Basic four operations within a computer ______ .
【简答题】There are three basic operations of logical algebra ________ 、________ 、_________ 。
【多选题】The two basic operations at the DPSK transmitter are ____________.
A.
differential encoding
B.
unipolar nonreturn-to-zero (NRZ) encoding
C.
phase-shift keying
D.
frequency-shift keying
【单选题】As per the standing orders,you should carry out all the following operations except ______ upon having received words that a person has fallen overboard.
A.
call the immediately
B.
stop the engines
C.
sound the “Man Overboard” signal of 3 prolonged blasts on the whistle and 3 prolonged blasts on the general alarm
D.
prepare,as many as possible,rescue facilities,including warm clothes
【单选题】在下列描述中,属于模锻特点的是:。
A.
成本低
B.
效率低
C.
操作复杂
D.
尺寸精度高
【多选题】The basic morphological operations include:
A.
dilation
B.
shrinking
C.
opening
D.
erosion
【单选题】下列不属于锤上模锻特点的是()
A.
设置下顶出装置
B.
工作时冲击和行程不固定
C.
单位时间内打击次数多
D.
模锻锤的导向差
【多选题】下列属于模锻的特点的是( )
A.
生产效率高
B.
尺寸精确
C.
加工余量大
D.
工具和设备简单
【判断题】The basic logic operations are AND, OR,and MAYBE
A.
正确
B.
错误
【简答题】What are the basic operations of matrices?
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