在一系列的复杂实验中，CSHL的研究者展示说在胰腺非正常细胞或恶性细胞中增加抗氧化剂的水平造成的损害大于益处。
In a series of complex experiments, the CSHL researchers demonstrate that in pancreatic cells that are abnormal or in a malignant state, raising antioxidant levels can do more harm than good.
安全型家用燃气灶能在非正常情况下煤气泄漏时及时切断煤气，防止用户的人身和财产受到损害。
Safety devices can promptly cut off gas supply in case of abnormal leak. In the article, different types and the principle of operation of these devices are introduced.
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