There are no bar codes on fruits and vegetables.

克劳迪娅：水果和蔬菜上没有条形码。

All you have to do is scan the bar codes on each grocery item.

您所要做的就是扫描每件杂货上的条形码。

She scanned the bar code on my book and stamped the due date on the back of it.

她扫描了我书上的条形码，并在书的背面盖上了截止日期。

We call these " bar codes." What do you do with the bar code?

我们称这些为“条形码”。您用条形码做什么？

Moore indicated that the primary concern is that even scanning ticket bar codes could help to spread the virus.

Moore 表示， 主要的担忧是即使扫描机票条形码也可能有助于传播病毒。

Because each person picks his or her own fruits and vegetables, there aren't bar codes on the bags.

因为每个人都采摘自己的水果和蔬菜， 袋子上没有条形码。

And so, depending on the type of product that we're working with, we may use QR codes, bar codes, RFID tags or other tag technologies.

因此， 根据我们使用的产品类型，我们可能会使用 QR 码、条形码、RFID 标签或其他标签技术。

He says, " All you have to do is scan the bar codes on each grocery item." Claudia and Raul are in a grocery store.

他说：“你所要做的就是扫描每件杂货上的条形码。” 克劳迪娅和劳尔在一家杂货店里。

When the customer scans the bar code on a product with the camera in their smartphone, the app identifies it and checks in a database to score how it shapes up.

当客户用智能手机中的摄像头扫描产品上的条形码时，应用程序会识别条形码，并检入数据库，对条形码的形状进行评分。

A " bar code" (bar code) is a little square with a bunch of black and white lines on it that is used by a computer to identify the specific thing that you are buying.

“条形码”（条形码）是一个上面有一堆黑白线条的小方块，计算机使用它来识别您要购买的具体物品。