In July 2006, Hefei Social Security project starts the second phase construction. In 2007, Hefei Social Security project starts the third phase construction.
2006年7月合肥市金保工程启动二期工程建设，2007年合肥市金保工程开始三期工程建设。
The practice of operation for several years has proved that the design and construction of the second phase concrete batching system are successful.
经过几年的运行实践表明，三峡二期混凝土拌和系统设计、建设是成功的。
This paper is the second phase of construction of "Introduction to Linguistics" which is based on web top quality curriculum.
语言学概论网络精品课程建设的研究本论文已经是第二届了。
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