9月29日，三沙市政府代表与合作单位签订一系列协议。当日，成立两个多月的三沙市启动永兴岛道路及供排水、海南至永兴及西沙岛际交通、赵述岛建设、北礁交通码头等四个重点基础设施专项规划方案编制工作。一系列举措表明，我国最南端的地级三沙市正发力加快基础设施建设步伐。新华社记者 赵颖全 摄     On September 29,,Three shashi government representatives signed a series of agreements with the cooperation unit.On that day,Founded more than two months of three shashi start yongxing island road and water supply and drainage/Hainan to yongxing and paracel island border transportation/ZhaoShu island construction/North reef traffic terminal and so on four key infrastructure special planning compilation work.A series of measures show that,In China's southernmost reveals three shashi is hair force to speed up infrastructure construction step.Xinhua news agency reporters ZhaoYingQuan perturbation