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XX. An account of the magnetical experiments made on the western coast of Africa,1830-1, by Commander Edward Belcher, of H. M. S. tna. Communicated by the Rev. George Fisher, through Captain Beaufort, R.N. F. R. S 来自 Semantic Scholar 喜欢 0 阅读量: 12 作者: E Belcher ...
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专辑: Varnam Vol 3 - Bharathanatyam Songs 歌手:Madurai R MuralidharanLmmcd093Kutralam V.Nagarajan还没有歌词哦Madurai R Muralidharan、Lmmcd093、Kutralam V.Nagarajan - Sakhiye - Ragam: sama_Talam: Sankeernachapu / 已添加到播放列表 1 播放队列/1 1 Sakhiye - Ragam: sama_Talam: Sankee...
百度试题 题目CDMA 2000 EVDO网络中,AN-AAA与AN之间的接口是() A. A12 B. A13 C. A14 D. A15 相关知识点: 试题来源: 解析 A.A12
∴an+an-1=(an+an-1)(an-an-1), 又an,an-1为正数,∴an-an-1=1,n≥2, ∴{an}是公差为1的等差数列, 当n=1时,2S1=a1+a12,得a1=1,或a1=0(舍), ∴an=n. (2)函数f(x)对任意的x,y∈R均有f(x+y)=f(x)•f(y),f(1)=12f(1)=12. ...
百度试题 题目He was sitting in an armchair, ___ a novel A.reading B.read C.was reading D.to be reading 相关知识点: 试题来源: 解析 A 用reading 与novel构成现在分词短语,作伴随状语。
Linda's brother is watching TV in his bedroom now.2、当句中出现的时间状语是these days,this week,this month 等时,如果句子所要表达的意义是在这一阶段正在发生的事,则动词应用现在进行时。These days we are helping the farmers work on the farm.3、在句中出现了Look,Listen,Can't you see? 等...
百度试题 题目I’d like to make an appointment with Dr. Smith. 相关知识点: 试题来源: 解析 我想约见史密斯医生。解析:本句考查常用短语的翻译。“make an appointment with”可译为“和……约定、约会”。 null
)n+( b c )n<( a c )2+( b c )2=1, 即当n>2时,an+bn<cn. 解:∵a、b、c∈R+,a2+b2=c2, ∴+=1. ∴∈(0,1),∈(0,1), ∵y=与y=均为减函数, ∴当n>2时,<,<; ∴当n>2时,+<+=1, 即当n>2时,an+bn<cn.