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公路绿化的成败 ,关键在于绿色植物。众所周知 ,植物对改善气候环境有着不可替代的作用。它能降低炎热的气温 ,提高空气的相对湿度 ,减少噪音 ,吸滞尘埃 ,吸收有害气体 ,净化空气、保护路基路面等。除了这些生态功能外 ,植物还具有不可取代的精神功能 ,植物本身具有形态美、色?
The success of highway afforestation, the key lies in the green plants. It is well-known that plants play an irreplaceable role in improving the climate and environment. It can reduce the hot temperature, increase the relative humidity of the air, reduce the noise, absorb the dust, absorb the harmful gas, purify the air, protect the roadbed and so on. In addition to these ecological functions, plants also have irreplaceable mental functions. The plants themselves have the form of beauty, color?