The results show that foreign patent application promotes technological progress in China, but the contributions to the technological progress in the east, the middle and the west are different.
结果表明：国外专利申请对中国技术进步具有促进作用，但对东、中、西部技术进步的贡献度存在差异。
The results show that foreign patent application promotes technological progress in China, but the contributions to the technological progress in the east, the middle and the west are different.
结果表明：国外专利申请对中国技术进步具有促进作用，但对东、中、西部技术进步的贡献度存在差异。
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