【摘要】 沙尘暴是人类破坏了植被引起的。在治沙中,经历着一场从“人定胜沙”到“人退沙退”的治沙策略改变。如今“沙尘暴”的卷土重来,使人们看到“可持续发展”的发展观势在必行。更多还原

【Abstract】 Sand storms come as a result of human destruction of vegetation. In sand control, human beings have experienced strategic transition from "human conquering sand" to "human retreat before sand retreat". Today the comeback of sand storms have made people realize the dire need of sustainable development更多还原