网络释义 1. 张东阳 黄河(He Huang) ; 张招崇(Zhao-Chong Zhang) ; 张舒(Shu Zhang) ;张东阳(Dong-Yang Zhang) 碱长花岗岩 ; 西南天山 ; … www.airitilibrary.com|基于 1 个网页
负氢潘宁型离子源作为小型回旋加速器的内源用于提供负氢离子束,相对于质子束,负氢离子束具有离子引出效率高、束流损伤率低等优点.作为加速器的起点,负氢离子源稳定、可靠的运行关系到整个加速器的运行,引出束流的性能参数将直接影响加速器的性能指标,因此对于离子源束流引出的测量尤为重要.然而负氢潘宁型离子源工作...
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Dongdong has some new teachers this year. They are Miss Tang, Miss Zhang and Mr Yang. Miss Tang is the new English teacher. She has small eyes and short hair. But She is beautiful. Miss Zhang is the new music teacher. She is young. She can sing very well. Mr Yang is the new ...
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YANG Dong-sheng; NIU Jian-zhao; XU Ming-di; CAI Hai-yan; SUN Xian; ZHANG Guang-chao; 作者单位 原文格式 PDF 正文语种 chi 中图分类 药事法规; 关键词 电子通用技术文件; 国际人用药品注册技术协调会; 指导原则; 入库时间 2025-03-05 16:30:13 相似文献 中文文献 外文文献 专利 ...
、读拼音,写词语。yuan yanghuichong1úyábao zhangpiao dongcou chengmeiZixiaoXiguang fanjianfǎrùsagǎnjjùlongxing chéngjoxianxigensuiouránǒuěrxiannsanchong gaolueguozhanshuikunjuanhénjilietingzhiyuánn panhuabanlianpengpozishiyanqianbenlingfangfúchunrihúmianronghua二三月的里的冰层正在慢慢花儿hu6po...
摘要 目前北斗卫星导航系统无论是在军事上和民用上都发挥着越来越重要的作用,对北斗卫星信号模拟器的研究逐渐成为科研热点.北斗卫星信号模拟器根据用户提供的信息产生逼真的仿真信号,用于导航系统前期的验证和接收机性能测试,因此研制北斗B1信号模拟器非常必要.在模拟器的研制中基带信号的产生是关键,在研究B1信号结构的基...
chun tian shi zhe yang lai de 春天是这样来的zhang guo nan 张国南ding dong ding dong 叮咚,叮咚,xido shi le shi qing cui de sang 小溪试了试清脆的嗓子。a chun tian shi chang zhe ge lai de 啊春天是唱着歌来的hu a hu a 呼啦,呼啦,zhi wan wan rou ruan de yao 柳枝弯弯柔软的腰,a ...
B. Zeng, J. Zhang, Y. Zhang, X. Yang, J. Dong and W. Liu, “Active distribution system planning for low-carbon objective using Cuckoo search algorithm,” Journals of Electrical Engineering and Technology, Vol. 9, No. 2, pp. 433-440, 2014. ...