_的意思(sī )是(shì )下划线经常接触到(dào )的一般用(yòng )在名(míng )字(zì )的输入中(zhōng ),只可(kě )以输(shū )入数字,字母,下划线而在一些文档如WORD中,下划线常(cháng )被用(yòng )作增强注意而在(zài )网(wǎng )页中(zhōng ),可以(yǐ )链接(jiē )的文(wén )字超链(liàn )接下面一般都(dōu )有(yǒu )下(xià )划线符号(hào )quot_quot下(xià )划(huá )线一(yī )般(bān )分
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