The results show that:Hydrogen abstraction occurs only via a direct mechanism without the presence of addition elimination mechanism, proposing by some experiments.
研究结果表明，夺氢反应只能是直接夺氢，而不是一些实验所设想的还有加成消除机理。
Colorized touching screen man-machine interface could provide direct and convenient operation feeling, and support the malfunction diagnosis and malfunction elimination prompt function.
彩色触摸屏人机界面，提供直观、便捷的操作感受，并支持故障自诊断及故障排除提示功能。
Colorized touching screen man-machine interface could provide direct and convenient operation feeling, and support the malfunction diagnosis and malfunction elimination prompt function.
彩色触摸屏人机界面，提供直观、便捷的操作感受，并支持故障自诊断及故障排除提示功能。
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