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问题 单项选择题

根据国家《图书和其他出版物的书脊规则》，除外文版图书和线装书外，凡书脊宽度大于或等于（）毫米的图书和其他出版物，应当设计书脊内容。

A.4

B.5

C.6

D.8

答案

参考答案：B

判断题

SDS法是被ICSH推荐为HB测定的参考方法是()
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单项选择题


On the number line above, the segment from 0 to 1 has been divided into fifths, as indicated by the large tick marks, and also into sevenths, as indicated by the small tick marks. What is the least possible distance between any two of the tick marks
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