First of all, this paper researches key features of cluster development, such as natural resources, industrial base, the leading enterprise, R&D and policies.

首先，重点研究了集群的特点，即自然资源、产业基础、龙头核心企业、人力与研发条件和政策等五个方面。

youdao

This text sets up enterprises' R&D model and analyses the R&D feasible region under the conditions of clusters and non-cluster effect.

本文引入集群效应建立企业研发模型，分析了有集群效应与无集群效应条件下的研发可行性区域的差异。

youdao