保持车辆具有良好的使用性能，减少公害、节约能源、提高运力，充分提高车辆的社会效益和经济效益。
The text suggest that car should keep well useable performance, reduce social effects of pollution, economize energy sources, and well improve society benefit and economic benefit.
水果套袋技术可以减少水果的农药残留，提高果品品质，是生产无公害水果的重要手段之一。
Being one of the important measures to produce non-polluted fruit, the fruit bagging technology can improve fruit quality and avoid pesticide and injurant to pollute the fruit.
中国将修建无公害化公厕以减少渔民集散地等水上流动人群感染水传播疾病血吸虫病的比例。
China will build sanitary toilets to reduce the incidence among the fishing population of schistosomiasis, a water-borne parasitic worm disease.
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