此(cǐ )符号(hào )需(xū )要在英(yīng )文(wén )状态(tài )下输入(rù ),操作步骤如下第一(yī )步点击键(jiàn )盘上(shàng )的(de )减号(hào )按钮(niǔ ),显(xiǎn )示符号为“”第二步(bù )依旧(jiù )是减号按(àn )钮,同时(shí )按住shift键,可打出符(fú )号“_”第(dì )三步选(xuǎn )择小于号(hào )所(suǒ )在(zài )的(de )按钮,可打出符号“,”合在一(yī )起后
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