管理员摘要：
例句： The scanner will save risk and pain for patients. 扫描仪将使病人免遭风险和痛苦。 A scanner uses laser light to read the bar codes. 扫描器运用激光去读取电脑条码。 It is a non contact optical scanner which using raster theory. 它……
例句：
The scanner will save risk and pain for patients.
扫描仪将使病人免遭风险和痛苦。
A scanner uses laser light to read the bar codes.
扫描器运用激光去读取电脑条码。
It is a non contact optical scanner which using raster theory.
它是非接触式的利用光栅原理的光学扫描设备。