Although experimentation on antifouling technologies for shipping has continued for approximately 100 years, metal containing antifouling paints continue to be widely adopted. These paints are usually copper or tin based compounds like tributyl tin (TBT) that can prevent fouling by continuously rele.....
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除了時態(Tense)外，被動式(Passive Voice)也是英文中最重要的必學文法之一。25年英語教學經驗導師深入淺出，有系統地教你一生必學的英文文法中英對照教學，配合趣味練習，適合學生及想自我增值的成年人閱讀！作者 / Author: 蔡展強出版社 / Publisher: 超媒體有限公司
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Low cost multi-beam, multi-band and multi-diversity antenna systems and methods for wireless communications
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