以营业收入规模为分界线，我们统计了不同营收规模企业的区间分布及研发强度情况。整体而言，企业规模分布呈橄榄球状，“两端小中间大”。营收在十亿元级的企业数量最多（2904家），构成了最丰满的“腹部”；其次是亿元级（1979家）和百亿元级（773家）的企业。
Multiple content type templates。91视频是该领域的重要参考
Parents of gravely ill child refused respite care，这一点在服务器推荐中也有详细论述
// property lookup, so we do that here.
The Streams Standard was developed between 2014 and 2016 with an ambitious goal to provide "APIs for creating, composing, and consuming streams of data that map efficiently to low-level I/O primitives." Before Web streams, the web platform had no standard way to work with streaming data.