在大城市植树栽花种草，可以美化环境，减噪防尘，保护生志平衡，这是人所共知的。但国内外大量事买还证明，诚布绿化对防震防火，减小地震灾害损失还有不可忽视的作用。1923汪9sl曰116对，曰不久乐地区发生毁灭性的地震，震中8．3级。乐京距震中不到IOO公里，地震发生后不到半 It is well-known that planting flowers and grasses in the big cities can beautify the environment, reduce noise and prevent dust and protect the balance of students. But a large number of things at home and abroad also proves that afforestation and afforestation can not be neglected for earthquake prevention and fire prevention and reduction of losses caused by earthquakes. 1923 Wang 9sl said 116 pairs, said the music area soon devastating earthquake, epicenter 8.3. Le Jing less than IOO km from the epicenter, less than half after the earthquake