常見例句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(guò)刊剔舊的必要性與可行性,提出了剔舊原則與建立全國(guó)性文獻(xiàn)剔除網(wǎng)絡(luò)中心的設(shè)想。Backfile weeding in hospital libraries: a thought 毉院圖書館過(guò)刊剔舊工作的思考v groove isolation polycrystal backfil v 型隔離槽的多晶矽填充 返回 backfile