️认准AP改革后新版教材，巴郎（Barron’s）系列教辅书是备考AP考试的学生非常常用的教辅书。这个系列以其周详、深入的内容和高质量的实践题而闻名。【AP巴朗教辅2025版】高清电子PDF版共15科 【包含科目】 微积分（仅epub版）、预备微积分（仅epub版） ...
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The paper puts forward and discusses a 1/2 order net-grid-type analog fractance circuit. Furthermore, it finds out that our 1/2 order net-grid analog fractance circuit is superior to the classical 1/2 ...
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