"We have an expected behaviour pattern [for protests]," one police officer has told the BBC anonymously. "But with this new generation, we do not understand their social media or how they mobilise on the ground."
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从研发投入规模区间分布情况看，中国已经形成一个由头部企业主导、庞大腰部力量支撑、众多小微企业补充的多层次协作的创新生态。。91视频对此有专业解读