Research on the high-quality development of China's urban agglomeration under the new development pattern 并列题名：Research on the high-quality development of China's urban agglomeration under the new development pattern Study on the high quality development of China's tourism industry under the new development pattern 并列题名：Study on the high quality development of China's tourism industry under the new development pattern Research on the high-quality development of China railway express based on the new opening pattern High-quality development of China's industrial chain under the new development pattern 并列题名：High-quality development of China's industrial chain under the new development pattern Research on high-quality development of urban agglomeration in China in the new era Research on high-quality development of China's cultural trade under the Belt and Road Initiative Research on the high quality development of China's economy in the new era