$\overline{X}$
$\widehat{X}$
$\hat{X}$
$\widetilde{X}$
$\dot{X}$
$\ddot{X}$
$\dddot{X}$
$\ddddot{X}$
typora中输入字母上有各种符号记录
发布时间 2023-12-16 17:46:31作者: 叕叒双又
$\overline{X}$
$\widehat{X}$
$\hat{X}$
$\widetilde{X}$
$\dot{X}$
$\ddot{X}$
$\dddot{X}$
$\ddddot{X}$