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【多选题】
拟定被选方案时管理者应考虑A.
方案与组织目标的相关程度
B.
可预测的投入与效益之比
C.
下属的接受程度
D.
公众的接受程度
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皮皮学刷刷变学霸
举一反三
【简答题】Base on the following operator precedence grammar G[S]: S→a|^|(T) T→T,S|S Calculate the operator higher precedence than (.>), the operator lower precedence than (<.) and the operator same precedence o...
【简答题】Base on the following operator precedence grammar G[S]: S→a|^|(T) T→T,S|S Construct the operator precedence matrix.
【简答题】Base on the following operator precedence grammar G[S]: S→a|^|(T) T→T,S|S Calculate the all nonterminals FIRSTVT sets and the LASTVT sets.
【判断题】Using other relations To Construct Operator Precedence Relations: 1 a ≒ b Û P→...ab... or P→..aQb... 2 = ((LAST*)(LASTTERM)) T (±) = (LASTTERM+) T (±)
A.
正确
B.
错误
【多选题】GSM系统采用BT=0.3、调制速率为270.833kbit／s的高斯最小移频键控调制方式。这种调制方式具有的特点包括（）。
A.
包络恒定
B.
相对较窄的带宽
C.
可进行相干解调
D.
对带外辐射小
【判断题】In operator-precedence parsing, we define three disjoint precedence relations between certain pairs of terminals. a b b has lower precedence than a
A.
正确
B.
错误
【判断题】An operator grammar is one in which there are no productions containing consecutive non-terminal symbols. In such a grammar, no sentential form contains consecutive non-terminals (simple to prove this...
A.
正确
B.
错误
【单选题】Which of the following operator precedence is correct?
A.
的运算符优先级从高到低正确的是
B.
(),^ ,*,+,=
C.
*,(),^ , +,=
D.
^ ,(),*,+,=
E.
=,(),^ ,*,+
【判断题】Using definitions To Construct Operator Precedence Relations: 1 a ≒ b Û P→...ab... or P→..aQb... 2 Definition Û FIRSTVT(P)={a|P ⇒+ a... or P ⇒+ Qa...} LASTVT(P)={a|P ⇒+ ... a or P ⇒+ ... aQ} If there ...
A.
正确
B.
错误
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