As China initiated green residential construction comparatively late, many technology researches of quality and their applications are still immature and have yet to be further improved.
我国绿色住宅建设起步较晚，绿色住宅质量保证的很多理念、技术的研究和应用、操纵规范、质量评估体系还不够完善。
But the speed of current network in most colleges and universities is not too satisfactory, the network's overall structure and properties have yet to be further improved.
但是目前大部分高校的网络速度并不是太理想，网络的整体结构和性能还有待进一步提高。
Many of its systems are yet to BE improved. In addition, there are vestiges of feudal ideas that have existed for thousands of years.
各方面的制度还不完善，再加上中国几千年封建社会的残余思想仍然存在。
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