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TIANJIN SCIENCE & TECHNOLOGY
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Present Situation and Countermeasures of High Quality Development of National High-tech Enterprises in Ningxia—Based on Data Analysis of Torch Statistical Survey in 2021
LI Hongjuan, HAN Bo, MA Yuqing, ZHANG Juanfei
TIANJIN SCIENCE & TECHNOLOGY . 2023, (
1
): 5 -7 .