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· · 来源:tutorial资讯

同时,研发人员的平均值持续增长,中位数则在波动中下滑,这一现象再次呼应“整体扩张、结构分化”的特征。也就是说,研发人才作为核心战略资源,与研发资金一样具有强烈的“马太效应”,都向技术雄厚、资金充足的头部企业集中。

Apollo 8 was Nasa's most dangerous mission yet

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"It's incredibly energy-intensive and the birds use up to 50% of their body mass," he says.

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