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How many parts are usually included in reported papers?
How many parts are usually included in reported papers?
A.5
B.6
C.7
D.8
正确答案：6
标签：
理工学术英语
上一条：
一长直螺线管，若将绕线匝数增加为原来的2倍，电流增加为原来的2倍，其它条件不变，则螺线管内部的磁场变为原来的（）倍。（结果取整数）
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In theoretical papers, the correct order of the main parts should be：