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布尔运算交、并、差的操作对象为   

单选题
2021-07-17 23:45
A、<span style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-bidi-font-family: " times="" new="" roman";="" mso-font-kerning:="" 1.0pt;="" mso-hansi-font-family:="" "times="" mso-ansi-language:="" en-us;="" mso-fareast-language:="" zh-cn;="" mso-bidi-language:="" ar-sa"="">已建立的几个实体模型</span>
B、<span style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-bidi-font-family: " times="" new="" roman";="" mso-font-kerning:="" 1.0pt;="" mso-hansi-font-family:="" "times="" mso-ansi-language:="" en-us;="" mso-fareast-language:="" zh-cn;="" mso-bidi-language:="" ar-sa"="">已建立的几个表面模型</span>
C、<span style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-bidi-font-family: " times="" new="" roman";="" mso-font-kerning:="" 1.0pt;="" mso-hansi-font-family:="" "times="" mso-ansi-language:="" en-us;="" mso-fareast-language:="" zh-cn;="" mso-bidi-language:="" ar-sa"="">已建立的几个表面模型或实体模型</span>
D、<span style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-bidi-font-family: " times="" new="" roman";="" mso-font-kerning:="" 1.0pt;="" mso-hansi-font-family:="" "times="" mso-ansi-language:="" en-us;="" mso-fareast-language:="" zh-cn;="" mso-bidi-language:="" ar-sa"="">已建立的几个线框模型、表面模型或实体模型</span>
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A
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标签： 土木工程 专升本 计算机绘图 2019级毕业清考（考试分） 2019级第三学期期末考试 2020年第二学期补考 清考 水利水电工程
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