Later, once the advancing deserts were halted, smallholders started harvesting and selling lumber for a living, while keeping the sheltering greenbelts in place.
后来,治沙取得成功,小农开始以采收和销售木材作为生计,同时维护绿色防护带。
The analysis of yield and quality of crops indicated that the sheltering range of shelterbelt net was 25 times tree height.
作物产量和质量分析表明,林网的防护范围为25倍树高。
The results show the sheltering effect on the arc-shaped floating breakwater is related to the incident wavelength and the draft of the breakwater.
结果表明,圆弧型浮式防波堤的防浪效果与入射波波长和防波堤的垂向沉深密切相关。
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