词汇	packaging plastic
释义	packaging plastic n.包装塑料,包装用塑料
随便看	optical channel optical channel-dropping filter optical channel protection optical chaos optical chaotic communication optical character optical character background reflectance optical characteristic optical characteristics Optical characterization optical character mark matching optical character photocell matrix optical character read optical character reade optical character reader Optical Character Reader Control optical character readerOCR optical character reader OCR optical character reader, OCR optical character reader [OCR] optical character reader paper optical character reading optical character recognition optical character recognition-a optical character recognition application