improvement n.进步,改善,利用改善,好转...self-improvement n.自我改善,自我修养...wideband improvement 宽带改善...land improvement 土地改良...transit improvement trade 过境加工贸易...fund for technologial improvement 技术改进基金...leasehold improvement 租赁物的改良...system improvement time 系统改进时间...noise-improvement factor 杂音改善因数...improvement trade for import 加工进口贸易...improvement order 改良(造)定单...improvement research 改进研究,革新研究...improvement cost 改良(造)成本...improvement and extensions 改进及扩充...improvement work 改建工程...improvement account 改良(造)费帐户(科目)...local improvement 地方改进...reserve for improvement on property 财产改良准备...improvement factor 改进因数...improvement threshold 改善限...improvement bonds 改良(造)债券...
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