Can anyone explain:following key and relational keys to me?thank you!here is no character input software in this computer.please explain in chinese.thank you

来源:学生作业帮助网 编辑:作业帮 时间:2022/08/11 16:20:55

Can anyone explain:following key and relational keys to me?thank you!
here is no character input software in this computer.please explain in chinese.thank you

这里没有汉字输入软件在计算机.