求翻译：理的利用大气环境容量; 强化污染源的治理, 降低污染物的排放量; 通过技术和行政的手段减少汽车尾气的污染; 提高城市绿化率、选择抗污染性好的树种, 大力发展植物净化。是什么意思？

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Principle use atmospheric environment capacity; The strengthened source of pollution government, reduces the pollutant the withdrawal; Through technical and administrative method reduction automobile exhaust pollution; Enhances the city to afforest rate, chooses the anti-pollutional good tree seed,

Use of atmospheric environmental capacity; Strengthen pollution control, reducing the emission of pollutants; Through technical and administrative means to reduce automobile exhaust pollution; Increase the rate of urban greening tree species, good choice of pollution, development of plants.