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Given two different character sets （A and B）， which of the following must be true for A to be considered a strict superset of B？（）

多选题
2022-04-23 12:22
A、 A must contain all of the characters defined in B
B、 A must be Unicode
C、 The encoded values in A must match the encoded values in B for all characters defined in B 
D、 A must be a multibyte character set
E、 The encoded values in A must match the encoded values in B for all numeric and alphabetic character
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正确答案
A | C
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