若按研发投入规模，将企业划分为千亿、百亿、十亿、亿及千万元等不同区间，我们发现研发资源的集中趋势尤为显著，头部企业在创新活动中发挥引领作用。
After shooting to international fame as a Russian spy in drama series The Americans, Rhys said he was often mistaken for being American and Russian because of his long list of on-screen roles.
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While not a cover of The Yardbirds' 1965 single of the same name, it aims for similar territory.
it is worth optimising.