... 掺杂分布 doping distribution 掺杂面 doping front 掺杂梯度 doping gradient ...
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Others, however, who saw Armstrong as a symbol of hope and solidarity were completely devastated by his fall, with some cynically wondering if Livestrong was a front to deflect attention from doping allegations.
CNN: Livestrong bracelet: To wear or not to wear?
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