The U - tube method is recognized as a standard for industrial routine estimations.U形管方法被公认为日常工业鉴定的标准方法.IV. the Error Estimations of Certain Generalized Cubic Spline Interpolation.一类三次广义样条插值的误差估计.At least 3 years of Alum...
He suggested that tangling fishing gear should be made a criminal offence.他提议，缠绕捕鱼器材应该算刑事犯罪。During match with football, sportsman is like tangling on the football field.足球比赛时, 运动员似在足球场上混战.Furthermore the built in cable r...
You can hedge against redundancy or illness with insurance.可以购买保险以防失业或患病。I saw an old man out clipping his hedge.我看见一位老人在外面修剪树篱。Some 300 trees have been ranged along the perimeter hedge.沿着绿篱栽种着大约300棵树。...
This is FM stereo one oh three point seven.这里是调频立体声103.7。For a good stereo effect, the speakers should not be too wide apart.为了达到理想的立体声效果，扬声器之间的距离不能太远。This is no time to lash out on a new stereo.现在不是奢侈花钱买新立体音响的时候.Measure...
The hydroxyl groups can be changed into esters , ethers , acetals and ketals, etc.最常用的羟基保护基可归纳为三类:酯类 、 醚类和缩醛或缩酮类.Eight acetals ( Ketals ) were synthesized under the optimal conditions.在最佳条件下,合成了八个缩醛 ( 酮 ) 化合物.The yields ...