求翻译：第一是先观察镜片是否有划痕、杂质、气泡、条纹，检查太阳镜的外包装，正规的太阳镜应标有品名、颜色、直径、质量级别、生产厂名和商标，镜面或吊牌上有注明防UVA、UVB和CE标志的太阳镜才能确保阻隔一定的紫外线。是什么意思？

The first is the first observation of the lens for scratches, impurities, bubbles, stripe, check the packaging of sunglasses, sunglasses should be marked with the formal name, color, diameter, quality levels, production and the name and trademarks, or tag on the mirror marked anti-UVA, UVB and sungl

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First observes the lens first whether has the scratch, the impurity, the air bubble, the stripe, inspects the sunglasses the outside wrapping, the regular sunglasses should the sign have the commodity name, the color, the diameter, the quality rank, the production plant name and the trademark, on th

Whether the first is to observe the lens scratches, impurities, air bubble, strip, check the packaging of sunglasses, regular sunglasses yingbiao name, color, diameter, quality level, the manufacturer s name and trademark, mirror on the or tag has marked anti-UVA, UVB and CE marking his sunglasses i

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