Screening is when people are invited for a test to look for disease despite them having no symptoms.
“At the end of the day, that actually takes a lot of money and resources to do this.”
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平均值下滑的省份共有5 个且分布较为随机，未能与总规模保持同步增长，表明披露研发人员的企业数量增长更快。以排名靠前的河北为例，企业数量的增幅（35.59%）超过了研发人员数量的增长（29.50%），从而拉低了平均值。
美股收盘：道指月线10连涨，美国KBW银行指数创去年4月来最大单日跌幅
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