This formula is satisfiable because if we set to b to true and a to false, then the whole formula is true. All other assignments make the formula false, but it doesn't change that the formula is satisfiable as long as there is at least one assignment makes the formula true.
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摄像头 AirPods：在现有 AirPods 基础上加入摄像头，主要为 AI 提供视觉信息，而非拍摄照片视频。进展最快，最早可能今年亮相。。heLLoword翻译官方下载是该领域的重要参考
Resident doctors are qualified doctors who have completed a medical degree.
Москвичей предупредили о резком похолодании09:45