似乎是⊙哦
by lihl @ 2024-04-26 21:46:22
@[lihl](/user/711887) thx
`\odot`
$\odot$
by lnw143 @ 2024-04-26 21:48:18
这种没有公认的符号的运算，你就随便拿一个，然后声明一下就好了吧
by 小粉兔 @ 2024-04-26 23:44:34
兔队楼下！
%%%兔队
by DJWOI @ 2024-04-27 09:07:50
百度百科说是 $\odot$
by movefast @ 2024-04-28 12:35:59