Chromatic Aberration — usually associated with objective lenses of refractor telescopes, is the failure of a lens to bring light of different wavelengths (colors) to a common focus.
色差-经常在折射望远镜的物镜上出现,是因为透镜不能把不同波长(颜色)的光聚焦到一点而形成的。
Data profiling is not magic — it helps bring data quality issues to light, but you still need a data or business analyst or subject matter expert to review results and draw appropriate conclusions.
数据概要分析并不神奇——它帮助揭示数据质量问题,但是仍然需要一个数据或业务分析师或者主题专家来对结果加以评价,并得出适当的结论。
What if your projector blew a light bulb (and you forgot to bring a spare) or your briefcase was lost at the airport?
例如,投影仪上的电灯泡坏了(而你又没有带备用的),或者你的公文包落在机场了。
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