1. Pareto improvement:帕累托改进;帕累托改善;帕雷托改进;帕累托改进准则
2. proposal improvement:提案改善;议案改善;提案改良;提案好转
3. Soil improvement:土质改良;改良土壤;改进
4. Self-improvement:自强不息;自我改善;自我完善;自我修养
5. Air quality improvement area:氛围质量净化区;空气质量污染区
6. structural improvement:结构优化;结汇
7. home improvement:家居装饰(电视剧);家庭进步(等于家具装饰);家庭改建计划
8. environmental improvement:环境治理;环境的改善;环境改进
9. soil improvement:土壤改良,土质改良
10. product improvement:产品改进
11. improvement trade:加工贸易
12. improvement works:改善工程;改良工程
13. self improvement:自我完善;自我改进
14. pareto improvement:帕累托改进
15. improvement area:改建区;改良区
16. value improvement:价值改进
17. land improvement:土地改良
18. home improvement:家居装饰(电视剧);家庭进步(等于家具装饰);家庭改建计划
19. environmental improvement:环境治理;环境的改善;环境改进
20. soil improvement:土壤改良,土质改良
21. product improvement:产品改进
22. improvement trade:加工贸易
23. improvement works:改善工程;改良工程
24. self improvement:自我完善;自我改进
25. pareto improvement:帕累托改进
26. improvement area:改建区;改良区
27. value improvement:价值改进
28. land improvement:土地改良