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。
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Version management: Each system state is versioned, making tracking easier
Physicists demonstrate how entangled quantum particles can improve the sensitivity of non-local, long-distance light phase measurements such as for telescope arrays observing faint astronomical objects
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