The authors show that the hyperboloid of one sheet and the hyperbolic paraboloid are ruled surfaces.作者证实:单叶双曲面和双曲抛物面是直线曲面.The mathematical model of the hyperboloid twist drill was introduced.介绍了以旋转单叶双曲面作麻花钻钻尖后刀面的数学模型.The...
It is conventional to place the independent variable on the right-hand side of an equation.普遍做法是把自变量放在等式的右边。The first catalytic converters were called conventional oxidation catalysts.最初的转化器叫做常规氧化催化器.This extremist organ...
这位报界大亨和英国的显贵达人们交情甚好。The press mogul befriended the high and mighty in Britain.他在大庭广众之下辱骂政坛显贵,结果被撤职了.He was dismissed for publicly insulting prominent politicians.每所修道院和显贵要人的宅邸都有自己的鱼塘.Every abbey and grest man's hous...
鼻镜通常覆盖着粘液和渗出物.Commonly the muzzle is encrusted with mucus and exudate.炎性渗出物集合在表面.An inflammatory exudate collects on the surface.脓性渗出物使上下眼脸粘连.Purulent exudate may unite the eyelids....
She offered to teach me to crochet.她提出要教我钩织东西。Can you show me some hand crochet article, please?你能拿些手钩针编织品给我看看吗?Stay home and crochet for the next thirty years?留在家里,再干三十年的钩织?She offered to teach me to crochet...她提出要教我钩织东...
Bob died of a heart attack, brought on by his lifestyle.鲍勃死于由他的生活方式引起的心脏病突发。Bob slid from his chair and lay prone on the floor.鲍勃从椅子上滑下来，趴在了地板上。Bob tried the door. To his surprise it opened.鲍勃试着推了推门。令他吃惊的是，门竟然开了。...