This sign might be valid where the scanner has picked up a page number that in an e-Reader context might no longer be relevant.

这个符号可能在扫描仪挑选一个在电子阅读器上下文中可能不再相关的页码时有效。

youdao

In object recognition stage, the approach divides the matching between scene and model into three parts, i. e. the Scanner, the Graph matcher and the Matching Verifier.

在物体识别阶段，将景体与模型的匹配分成三部分进行，即扫描部件、图的匹配部件及匹配检验部件。

youdao

And if you want to send pictures of the new baby to grandma via the Internet, save the shot in a graphics file and attach it to e-mail -- no need to buy a scanner to input regular 35mm prints.

CNN: The Proof Is in the Pixels