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【判断题】Don’t allow the quirky aspects of your personality to be a part of your speaking or performing style.
【判断题】Machine Learning is combined with AI and cognitive technologies, which can make it even more effective in processing large volumes of information.
【判断题】The sprawling historic center of Prague was listed as one of UNESCO world heritage site in 1992.
【简答题】要产生较高频率信号应采用 振荡器,要产生较低频率信号应采用 振荡器,要产生频率稳定度高的信号应采用 振荡器。(答案间用中文分号;隔开)