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【简答题】
From the average charges of the oil drops, Millikan concluded that the fundamental charge is e=__
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参考答案：
参考解析：
刷刷题刷刷变学霸
举一反三
【单选题】In the bottom-up calculation of L-attributed definition, the wrong purpose of introducing marker nonterminal is ()
A.
Delete actions embedded in translation scheme
B.
Simulate the calculation of synthesized attribute
C.
Simulate the calculation of inherited attributes
D.
Determine the location of attributes on the parse stack
【单选题】When processing inherited attributes in the bottom-up calculation of l-attributed definition, it is necessary to introduce ()
A.
Marker nonterminal
B.
Marker Terminal
C.
Synthesized attribute
D.
L attribute
【单选题】In the bottom-up calculation of L-attributed definition, the correct statement is ()
A.
The introduction of marker nonterminal can delete the actions embedded in the translation scheme
B.
Make the inherited attribute evaluation of the L-attributed definition appear only at the left end of the production
C.
The synthesized attribute calculation of L-attributed definition only appears at the right end of the production
D.
The synthesized attribute calculation of L-attributed definition only appears at the left end of the production
【单选题】To perform the numerical differentiation, the accuracy of three-point method for the first-order derivative reaches:
A.
O(h)
B.
O(h2)
C.
O(h3)
D.
O(h4)