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简谐振动合成的演算过程?Acosφ+Asinφ=A1^2+A2^2+2A1A2cos(φ2-φ1) 如何算?已知 Acosφ= A1cosφ1+A2cosφ2Asinφ=A1sinφ1+A2sinφ2 si是什么英文的缩写 pou si的英文怎么写? 英语中过去分词一般加什么? I share the same wold with them 这句话 什么意思 我真的受够了 英语怎么说 受够了,老子不侍候了 翻译成英语怎么说 camp out beside the question and let answers come to youto contribute to changing the world 有这种用法吗？to doing AI 的经典名言是 哪句 the teather wonders whose key it is.如果这个句子是正确的话,那么key it is也不是陈述语序呀? 只要嘴角向上微微扬起,这就是世界上最美妙的语言.翻译成英文 嘴角用英文怎么讲 if tomorrow never come 谁能帮我找找哪下这首歌 爱没有明天 TOMORROW MAY NEVER COME怎么样 My sister thought I would say sorry to her .But to _____ surprise,I went into my room without anywords A her B my C she If tomorrow never come,what can I do?”翻译 if tomorrow never comers 歌词英汉互译 Has someone fixed the coffee machine yet?改成被动 Look!Someone sleeps on the soft sleeper!英语改错这句话有什么语病? 爱新觉罗胤祥生平?包括家庭情况 爱新觉罗胤祥的生平 about爱新觉罗·胤祥.我家十三.他是哪个旗的...= =.我混乱了.我不知道他是哪个旗的.. HOW COME YOU NEVER 哪位大师能帮我翻译下啊 伤感歌曲一定要伤感的来几首中文 求很悲伤的英语单词,单词和汉语一起写出来 HOHO 给我一些忧伤类词汇（要中文的）两个字的 求. ---Look!Someone is cutting a tree on the moon.---It___be true,Granny.Mum says there is no air there.A.can't B.mustn't C.may D.should What would it be when happiness matches sadness? what would be dirtier when wash it 有什么关于爱新觉罗.胤祥的电视剧? 为何5天都没便意, 5天没有便意是什么原因