同样，系统可以用条形码或者序列号完成交易。

Also, systems may trigger a transaction with a bar code or a number sequence.

youdao

这里所指的标识包括：图案、文字、序列号、条形码、二维码等等。

The label we say includes design, word, list, bar code and something like this.

youdao

这里所指的标识包括：图案、文字、序列号、条形码、二维码等等。

The label we say includes design, word, list, bar code and something like this.

youdao