他们刚离开，扛着步枪的士兵们就到了。Scarcely had they left before soldiers arrived armed with rifles.他们持有的步枪、机枪、地雷和催泪弹数量惊人。They possess a formidable arsenal of rifles, machine guns, landmines and teargas.汤姆走在前面，背上挂着一支步枪。Tom was leading, a...
New theatres and arts centres sprang up all over the country.新的剧院和艺术中心突然在全国各地涌现出来。Outside each door a guard sprang to attention as they approached.当他们走近时，每扇门外都有一名卫兵肃身立正。Throwing back the sheet, he sprang from the bed.他掀开...
There is hysteresis between the sorption and desorption curves.吸湿与脱湿曲线间有一定的滞后现象.One may also adjust the conditions to monitor the desorption of adsorbate from the catalyst.也可以调节条件以检测催化剂上吸附质的解吸.These composite resins have...
He stayed, and went on composing his big, symphonies, concertos, piano sonatas and many other works.贝多芬终于留了下来, 继续从事大型交响乐, 协奏曲, 钢琴奏鸣曲和其他音乐创作.I once heard Brendel play all the Beethoven concertos.有一次,我听了布伦德尔演奏贝多芬全部的协奏曲.Viv...
Precision forging technology is developed rapidly in production of spur bevel gear.精密锻造直齿锥齿轮在我国发展很快.Thus, using modified roll method, 4 - axis CNC spiral bevel gear machine can manufacture hypoid gear.这样, 在四轴数控铣齿机上可以实现变性...