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[单项选择]设X="abcd",Y="ab",在SET EXACT ON的状态下,下列表达式值为假的是( )。
A. .NO
B. .NO
C. (X< >Y)
D. .NO
E. .NO

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A. Babbage's difference engine turned out to be a large machine.
B. Researchers did not build the printer for lack of money.
C. Babbage designed the printer to avoid possible typesetting or transcription errors.
D. Researchers found it difficult to build a printer as complicated as the calculating engine.

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