'Affordability'
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。业内人士推荐WPS下载最新地址作为进阶阅读
研发人员的数量变动进一步揭示了行业分化的加剧——五年间，10 个行业的研发人员数量出现负增长，且这些行业主要集中在尾部；而以消费电子及电气业、汽车制造业为代表的行业，则大力扩张研发人员规模。
arXiv-issued DOI via DataCite (pending registration)
Also, “Before sending a video, picture, meme or any content, analyze if such material will be in the interest of the majority of the members of the group.”