用阿基米德螺线能成功地解决化圆为方的问题,方法很简单.A neat solution of the quadrature problem can be achieved with the spiral of Archimedes.现在的密封槽型比较常用的是对数螺线槽.Now the commonly used seal groove is a logarithm spiral groove.螺线齿轮被用于传送在平行的轴之间的行动.Hel...
The fracture mode of SPS sintered molybdenum belongs to brittle intercrystalline fracture.SPS烧结钼的断口呈沿晶断裂,属于脆性断裂.There is a tendency of intercrystalline corrosion and spalling corrosion for Aluminum - Lithium alloys in co...
The most striking feature of those statistics is the high proportion of suicides.那些统计数据最引人注目之处是其极高的自杀率。She accolades for her directorial feature film debut, The Virgin Suicides.她的导演处女作《处女自杀》获得好评.The most striking feature...
结果 哮喘巴布膏本身具有良好的透皮作用,加入1.5%氮酮作为透皮促进剂效果最佳.RESULTS Asthma adhesive plaster has favorable permeation and the best action with 1.5 % AZONE.目的探讨氮酮、杜香萜烯两种渗透促进剂对复方骨质增生贴剂透皮渗透的影响.RESULTS Both Azone and Lepaloine at different conce...
“接招”乐队是世界上最好的组合，就是这样的。"Take That" are the best group in the whole world. So there.理查德·张伯伦已经同意接拍《荆棘鸟》的续集。Richard Chamberlain has agreed to make a sequel to "The Thorn Birds".接下来的几周将是适应阶段。The next few weeks will be a perio...
With fewer tourists in town, the taxi trade is going through its leanest patch for 30 years.随着城里游客的减少，出租车行业正遭受30年来最不景气的时期。In general ? the leaner the meat? the better - and wild game tends to be the leanest.一般来说,肉越 瘦 越好,...
碱金属原子的价原子具有两种能态.The valence atom of an alkali - metal atom has two states.所有的碱金属都在闭合壳层之外有一单个S电子.All the alkali metals have a single s - electron outside a closed shell.当碱金属光谱显示出不容怀疑的双线结构时,是令人惊奇的.It was surprising when th...