yu第三声的字有哪些

怎样通过键长来判断共轭呢 σ,p - 超共轭的σ只能是伯基C-H键的还是仲叔的C-H键也算? 英语翻译73.\x05CORPORATIONS ACTING BY REPRESENTATIVES\x05Any corporation which is a Member of the Company may by resolution of its Directors or other governing body authorise such person as it thinks fit to act as its representative at any meetin 超共轭效应中怎么数H（或者说C-Hσ键?没听明白）?今天听老师说CH3CH2CH=CH2和Z-CH3CH=CHCH3时,为什么前者说只连了2个,后者连了6个?怎么看都觉得没有区别啊= =我想知道这是怎么数的,还有用这个解 英译汉!英文文献!Among the 200 participating colleges are Bryn Mawr,Illinois State University,Merrimack College,Rutgers University,the US Naval Academy and Temple University.Unfortunately,Rafter said via e-mail,college guidance counselors in Be 英译汉文件怎么做公正?一个哈萨克斯坦朋友,有一份在哈萨克斯坦的开具的英文文件,需要翻译成中文,还要做公正.公正公司能一条龙服务吗?还是自己翻译成汉语,再去公证处做公正也可以呢? 英语翻译D its lonely hours and dreary,When we Close the aching sight,Musing sadly,lornand weary,Trusting that tomorrow's light May reveal a day more cheery; Amid affliction's darker hour,When no hope beguiles our sadness,When Death's hurtling tem 英语翻译In order to obviate the drawbacks of plasma immunoglobulins,the whole molecular recombinant human anti一HAV(hepatitis A virus) monoclonal antibody(anti—HAV IgG) produced and secreted by rCHO cells was purified and its physicochemical p 设A、B为同阶矩阵,求证R(A+B) =R(A,B) =R(A)+R(B)求证写错了，应该是：R(A+B)< =R(A,B) 设A是3*4矩阵,B是3*3矩阵,R(A)=2,R(B)=3,则R(BA)= 谁有七年级历史复习课件（越详细越好） 七年级下册历史期中复习的课件谁有?急! 这句英文跟孔子的哪句话有关?孔子有一句话说 ,smart people learn from his own mistakes,wise people learn from others' mistakes 是哪句?不要自己翻译的，要孔子翻译的……当然了我意思是说论语里的 这句英文是孔子的哪句名言?an official with energy to spare should learn;a scholar with energy to spare should worki as an official. 线性代数 展开在看书,有些地方看不懂,学了6 7年了,早忘记了.三行三列-3 0 01 1 32 -1 0书上的下一步是 按第三列展开.（-1）^(2+3) X3 |-3 0||2 -1|主要是想问-1的 (2+3)次方是怎么的出来的,书上没有介 七年级上册生物复习 有感情色彩的词语如废寝忘食说清楚 有感情色彩的词语,如雪中送炭 在三角形ABC中,CD是三角形ABC的中线,AC=3,三角形BCD与三角形ACD的周长的差是1,则BC的长为( ) 已知三角形ABC中 D为最长边BC的中点 三角形ACD周长为24 三角形BCD周长为30 求三角形ABC的周长运用小学到高中内的知识...要过程 不要只有一个答案不会的...请自便。。。。。。题目看不懂也没 已知三角形ABC中,D是AB边的中点,BC等于十厘米,AC等于七厘米,求△BCD与△ACD的周长差是多少? 矩阵对应的行列式值为零,则矩阵至少有一行可经变化全变为零.这句话对吗?我自己总结的,若不对请指教 对天净沙秋思的阅读感悟简洁一点 谁知道海啸的威力最大是什么程度? 海啸上岸最多能走多远?我的意思是：发生很大的地震,在平原地带登录,最多能上岸走几千米.以后想在沿海一带居住,怕受到海啸的灾难. 海啸是怎样造成的? 精确翻译--英译汉--最好能以专业的角度翻译一下.基本的意思我知道,但是组织不好语言.Working capital management is a process of planning and controlling the level and mix of the current assets of the firm as well as fina 英译汉,不要机译,高手来Generally, facial expression recognition system consists of three steps: face detection, feature extraction and expression classification. The same has been shown in Fig. 1. In our framework we tracked face/salient fac 一句孔子的话,谁能帮忙翻译下?君于惠而不费，劳而不怨，欲而不贪，泰而不骄，威而不猛。……因民之利而利之，斯不亦惠而不费乎？择可劳而劳之，又谁怨？欲仁而得仁，又焉贪？君子 英语翻译天下有大恶者五,而窃盗不与焉.一曰心逆而险,二曰行僻而坚,三曰言伪而辩,四曰记丑而博,丑谓非义.五曰顺非而泽,此五者有一于人,则不免君子之诛,而少正卯皆兼有之.其居处足以撮 英语翻译孔子曾言：“君子有九思：视思明、听思聪、色思温、貌思恭、言思忠、事思敬、疑思问、忿思难、见得思义.” 低调处事；平调为人；高调律己；和气大度；至强则辱；至情不寿 矩阵r(A^2)=r(A),A^4=A^2能得出A^3=A吗?还有个条件,A^2是Hermite阵