JM Fastenau,GY Robinson - 《Journal of Electronic Materials》 被引量: 21发表: 1999年 Extremely short distributed Bragg reflector fibre lasers with sub-kilohertz linewidth and ultra-low polarization beat frequency for sensing applications We report the fabrication, characterization and application of extr...
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最后的模型根据N状态、≤3阳性LNs和≥4 阳性LNs的N期显著性差异以及对预后的影响而分层。对多水平Logistic回归分析方法进行了类似的分析,进一步调整了LNs检查的数量、年龄、性别、种族、保险状况、Charlson-Deyo指数、长途旅行、受教育程度、收入、机构类型、手术容量状态、...
一件件饱经沧桑的文物,是镌刻峥嵘岁月的无言丰碑;一张张定格历史的照片,是饱含红色回忆的重要载体;一枚枚光彩夺目的勋功章,是践行使命担当的时代印记……7月26日,抗美援越老兵李志光将珍藏多年的老物件捐献给陆川县文物事务中心,让文物走上台前,教育和...