If the symbol were Coptic, the first symbol would be "ra" and then an unknown symbol followed by a double "S" sound.

所以如果这个符号是埃及古语，第一个符号应该是“ra”，然后是一个未知的符号，后面跟着一个双“S”音。

youdao

If so, then perhaps that first disc-shape symbol might represent the Sun.

如果是这样，那么第一个圆盘形状的符号可能代表太阳。

youdao

The | | symbol works in the opposite way; if the first command does not complete successfully, then execute the second.

符号的工作方式与此相反；如果第一个命令未成功完成，则执行第二个命令。

youdao

"All things being equal, if you've got a more memorable ticker symbol, then people will be remembering you more, " says Ryan Issakainen, ETF strategist at First Trust.

WSJ: ETF Firms Scramble to Come Up With Catchy Ticker Symbols