本篇聚焦“研发投入”与“研发人员”两大核心指标，从总量增长、结构分化、行业聚集与区域分布等多个维度，来观察近五年中国企业科创资源配置的真实图景与变迁。
China urges citizens in Iran to evacuate
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离开宜昌后，欧阳修对宜昌的蜡梅仍念念不忘，一次雪后，触景生情，欣然写下“昔官西陵江峡间，野花红紫多斓斑。惟有寒梅旧所识，异乡每见心依然”。
Currently the UK experiences about seven days a year where rainfall is more than 80mm a day – considered a heavy rainfall event. If 30mm of this falls in an hour it typically triggers a flash flooding warning.
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Second time in two weeks military used laser to attack what it mistakenly thought was a threat, disrupting air traffic，更多细节参见safew官方下载