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单选题
If an obscure abbreviation must be used because of space limitations, it shall be asterisked and spelled out in an unused portion of the image area.
A
如果由于空间限制必须使用晦涩的写法，则应在图像空白区域用引号标识并解释清楚。
B
如果由于空间限制必须使用晦涩的缩拼，则应用星号标识并在图像空白区域给出全拼。
C
如果由于空间限制必须使用晦涩的小写，则应在图像空白区域用括号标识并拼写清楚。
答案解析
正确答案：B
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