弥补了传统基于光电扫描模式对有污损条码识读能力差的缺陷。
It makes up the drawback that the traditional method based on photoelectricity scanning has poor ability of reading bar code image with defilement.
如果在乘车时你总爱读会儿书，你的视力可能就会越来越差了。
If you always read on the running bus, your sight may get worse and worse.
如果在乘车时你总爱读会儿书，你的视力可能就会越来越差了。
If you always read on the running bus, your sight may get worse and worse.
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