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2018-07-16 19:54:5406:2140.5万 所属专辑:和Emily一起练口语(附中英双语字幕) 声音简介 A:Hey,you look great!How's everything? 嗨,你看起来 状态不错,最近怎么样? B:Yes,you know what?I've been going to the club regularly.The training reallypays off.Now I'm in a good shape and I kno...
(6)氮化硼(BN)是一种性能优异、潜力巨大的新型材料,主要结构有立方氮化硼(如图1)和六方氮化硼(如图2),前者类似于金刚石,后者与石墨相似。NNBB图1图2①图1中氮原子的配位数为离硼原子最近且等距离的硼原子有__个。②已知六方氮化硼同层中B与N之间的距离为acm,密度为 dg⋅cm^(-3) ,则相邻层与层之...
Ames BN. Prolonging healthy aging: Longevity vitamins and proteins. Proc Natl Acad Sci U S A. 2018 Oct 23;115(43):10836-44. Baliou S, Adamaki M, Ioannou P, et al. Protective role of taurine against oxidative stress (Review). Mol Med Rep. 2021 Aug;24(2). Singh P, Gollapalli K,...
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nnnbnbbnbnnnnbn nnbnbbbn6图. 2024-07赞 回复@1829908jean 表情0/300发表评论 其他用户评论 念去去_hn 跟着练的时候觉得没压力很喜欢,今天跟朋友出去唱歌发现自己的进步真的很大,以前唱不出来的现在居然唱的不错~好开心~我爱龚琳娜~ 2018-02回复53 MiedzaTone米紫丞 天天跟您练,声音无极限✌️ 2018-02回复...
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