当C为何值时，二次型f(x1,x2,x3)=5x1^2+5x2^2+cx3^2-8x1x2+6x1x

英语翻译London Hounslow Borough 英语翻译Kilbrannan Sound 是苏格兰的一个地名翻译成中文, there are some ___in the basket.Afruit b orange c tomato Dvegetables -I'm.Sorry/* what do you do是否等于 what to do谁能简单说以下疑问词+不定式 有什么作用 为什么有时候我们会看到太阳和月亮同时出现在天空中?这是一种什么现象? 四个太阳怎么样 whatever you do等于什么 Find time for youself Anybody who goes jogging regularly ,practices yoga and prescribes good literature as a cure for negative stress ,may well end up under more pressure as he tries to find the time for it all.Sometimes,say the consultant,it helps to take time out to red 空中架的高压电为什么会发出响声呢 Spend time for yourself这个用法对吗 have got 怎么造句 请用一下这几个词组造句achieve goalturn one's back onbe tired ofgive awaydrop out Find myself Myself;Yourself的真正意思 my future job 写一篇英语文章 写一篇关于未来工作是艺术家或者设计师的文章. my idea work如何用英语写一篇作文 W：I've been meaning to get my eyes checked.I just haven't gotten around to it yet.M：Why don't you call for an appointment right away?Once on your calendar you will get it done. if you give me love,i like give you love 中文意思是什么? 英语翻译[04:30.12]I just haven’t gotten around to it ye[04:33.51]M:Why don’t you call for an appointment right away?[04:36.75]Once on your calendar you will get it done?[04:40.23]Q:What does the man suggest the woman do? I am afraid i haven't really gotten around much.求这句话地道准确的翻译保证处理问题 Let me love;like sunlight,surround you,and yet give you illumined freedon是什么意思 My love ,like the tide love like waves will give you push. 北京汽车厂的角斗士车子怎么样啊? If you ever find yourself,Lost and all 英语翻译送分咯! 英语翻译 if you ever find yourself,lost and all alone是那一首歌的歌词, How can you find yourself if no one can see you? was后跟动词原形还是过去式 feel so sorry baby i am so sorry i never meant i never meart to hurt you 用英文该怎么翻译呢?