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Science & Environment
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殷殷嘱托，满怀牵挂，饱含期待。
The 386 engineers solved this with a dedicated hardware unit.
A new study shows that exposure to two specific 'forever chemicals' may accelerate biological aging, especially in middle-aged men. Researchers revealed a link between faster epigenetic aging, and two of these alternatives, PFNA and PFOSA, a precursor of PFOA.
· 朱文 · 来源：cms资讯