许多基团可通过向得自胶的重氮盐作亲核取代而加以导入.Many groups can be added by nucleophilic substitution on a diazonium salt.大多数连于芳核能被直接取代的基团仅限于重氮盐.Most direct substitution of groups bound to an aromatic nucleus is limited to diazonium salts....
We now omit the prime on the matrix elements.我们现在把各矩阵元素上的一撇略去.The matrix is defined as the reciprocal of A.该矩阵定义为A之逆矩阵.Local deviations depend strongly on the local geometry of the solid matrix.局部偏离严格地依赖于固体矩阵的局部几何形状....
It turned into a real humdinger of a game.那场比赛变得扣人心弦。His latest novel is a humdinger.他最新的一部小说棒极了。It should be a humdinger of a match.这应该是一场非常精彩的比赛。It should be a humdinger of a match...这应该是一场非常精彩的比赛。a humdinger of a bliz...
There are still major lacunae in the material available.手边的材料依然存在严重缺漏。The bony spicules are even, with occasional lacunae containing osteocytes.骨板连续均一, 偶尔可见包含骨细胞的腔隙.Black air - filled lacunae in which osteocytes once liv...
Friends gathered at a memorial for the late statesman.这位已故政治家的生前好友为他举行了纪念仪式.The statesman is much occupied with affairs of state.那个政治家忙于国事。He was acknowledged as an able statesman.他被公认为是个有才干的政治家。His historical sweep made...
I'd like an intro to that girl you were talking to!我想请你把我介绍给刚才你和她说话的那姑娘!Intro duced are the main functions and basic configuration of 840 C system.介绍了840C系统的主要功能及基本配置.The processing features and cutting methods of s...
We congratulated her upon her attainment to so great an age.我们祝贺她高寿.Could it be said that it is impossible of attainment?难道这是办不到的 吗 ?We congratulated him upon his attainment to so great an age.我们敬贺他高寿....
Revenue from brown goods, including televisions and hi-fis, rose nearly 12 per cent.包括电视机和高保真音响在内的黑色家电的销售收入增加了将近12%。Black - and - white televisions are knocked into a cocked hat by the modern color ones.黑白 电视机远远比不上现代化的彩色...