建立完善沙岗林地和林带防护系统，控制了区域风蚀沙化；
Then the protection system with shelter belt and woodlands of sand dunes was constructed to control the local wind erosion and sandification.
本文对广州市西北郊沙水岗至金钱岭剖面的研究表明，沙水岗一带的地层连续。
The stratigraphic section from Shashuigang to Jinqiangling in north-western suburb of Guangzhou city was investigated thoroughly.
本文对广州市西北郊沙水岗至金钱岭剖面的研究表明，沙水岗一带的地层连续。
The stratigraphic section from Shashuigang to Jinqiangling in north-western suburb of Guangzhou city was investigated thoroughly.
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