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信息系统建设难度大、复杂性高的原因有( )。

多选题
2022-04-02 19:06
A、技术手段复杂
B、内容复杂、目标多样
C、投资密度大、效益难以计算
D、环境复杂多变
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正确答案
ABCD

试题解析

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