打开“条形码扫描器”后，手机屏幕上会显示出一个有一条闪烁的红线的矩形区域。
When you open Barcode Scanner, you will see a rectangular area with a flashing red line displayed on the screen of your phone.
在传真传输中，因发送和接收扫描器之间的不同步而产生的偏离矩形框的现象。
In facsimile transmission, deviation from the rectangular frame due to a lack of synchronism between transmitting and receiving scanner.
结果表明：循环伏安曲线为矩形特征，炭黑电极表现出典型的电容行为，扫描速度与比电容基本无关；
It was showed that the rectangular CV curves and linear potential-time curves exhibited typical capacitive behavior of CB electrode.
应用推荐