1、角和半角指的是输入的英文字母或数字的大小，全角输入的英文字母及数字是正常汉字的一半，全角输入的和正常汉字等大。一个汉字要占两个英文字符的位置，人们把一个英文字符所占的位置称为半角，相对地把一个汉字[详细]
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