Smartphones also typically feature cameras with a macro mode that allows automatic focus over very short distances to scan codes that appear in a newspaper or magazine.
智能手机还带有具有微距模式的摄像头，这些摄像头可以短距离自动对焦扫描出现在报纸和杂志上的条码。
2
Automatically ejecting a shell and chambering the next round from the magazine; automatic or semiautomatic. Used of a firearm.
自动发射一颗炮弹，并将下一颗炮弹从弹仓中填入膛中的；自动的或半自动的用于火器。
3
Auto changing tool magazine: Equipped with chain-type tool changer for automatic exchanging tools. Ahe performance of changing cut has been strictly tested, acting concertedly, fast and reliably.