吡咯, 噻酚和呋喃的情况就是这样.Such is the case in pyrrole, thiophene, and furan.研究结果表明关键步骤为原料 4- 甲基 -2, 3- 呋喃二酮的合成.It'shows that the key step is the synthesis of 4 - methyl - dihydro - furan - 2 , 3 - dione.用糠醇和糠醛缩聚制备了新型呋喃树脂.A n...
We shall have to bring in professional advisors to help us to cost out this job.我们不得不找一些专业顾问来帮助我们估计一下这项工作所需要的费用。The governors felt that they were being strung along by their advisors.地方长官感到他们一直在受顾问们的愚弄.We will consult to...
The last little act of beneficence soothed Bonhag's lacerated soul a little.这最后的小恩惠略微缓和了些邦哈苦痛的灵魂.His beneficence was well known.他的善行是人所共知的.Medicine not only seeks to truth, but also seeks to beneficence.医学不仅应当求真, 而且...
He gave up trying to write for the guitar and decided to transcribe the work for piano.他放弃了为吉他谱曲，决定把作品改编成钢琴曲。transcribe a tape-recording把录音用文字写出来Clerks transcribe everything that is said in court.书记员把在法庭上所有的话都记录在案。Pay at...
特点: 操作简单, 取代滚筒机压延出片.Properties: Easy manipulation, replacing roller to press into sheets.试验研究半钢子午线轮胎压延法带束层胶配方.The compound formulation for calendered belt of steel - belted radial tire was investigated.我司主要销售压延机 ( 生产扁平导线...
在一些作品中，花具有强烈的象征意义。In some works, flowers take on a powerful emblematic quality.这个岛屿的凹凸险峻象征着我们的历史和民族性格。The island's ruggedness symbolises our history and the character of the people.他暗示这些图形象征了英国和爱尔兰的地图。He suggested t...