基本解釋[計] 後援文件同根派生 backfile相關詞英漢例句This article analyzed the necessity and feasibility of backfile weeding in medical libraries, and proposed weeding principles and a plan for setting up a network center of national literature weeding. 分析了毉院圖書館過刊剔舊的必要性與可行性,提出了剔舊原則與建立全國性文獻剔除網(wǎng)絡中心的設想。Backfile weeding in hospital libraries: a thought 毉院圖書館過刊剔舊工作的思考v groove isolation polycrystal backfil v 型隔離槽的多晶矽填充backfile更多例句