结果表明：景天科植物在所测试的7种地被植物中的抗污染性最强。
Crassulaceae had the best performance under pollution in 7 ground cover plants.
抗污染性园林树木能够吸收有害物质、净化大气，有效改善城市环境。
Pollution-resistant garden trees can absorb harmful substances, purify the atmosphere and improve the urban environment effectively.
结果表明，该添加剂工艺稳定性好，且镀层可焊性优良、抗变色能力强，可取代高污染的锡铅电镀工艺。
The result proves that the process has advantages of high stabilization, excellent solderability and antitarnishing, which may replace high-pollution tin-lead electroplating technology.
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