知识溢出是知识的非自愿外溢，是一个多级溢出的过程。

Knowledge spillovers is an involuntary spillover of knowledge, it is also a multi-level overflow process.

youdao

知识溢出是知识的非自愿外溢，是一个多级溢出的过程。

Knowledge spillovers is an involuntary spillover of knowledge, it is also a multi-level overflow process.

youdao