摘要:Sustainable and modern mobility are the main objectives of the VDA. The VDA nationally and internatio[阅读全文]
摘要: OBV(On Balance Volume)为美国投资分析师Lee Granville的主要分析工具,能量是因,股价是果,关于成交量方面的分析,此为相当重要的分析指[阅读全文]
摘要:感恩节概述 感恩节(Thanksgiving Day)是美国和加拿大共有的节日,原意是为了感谢印第安人,后来人们常在这一天感谢他人。在美国,自1941年起,感恩节是在每年11月的第四个星期四,并从这一[阅读全文]
摘要:The Rothschild banking family of England was founded in 1798 by Rothschild FamilyNathan Mayer von Rot[阅读全文]
摘要:Civil engineeringCivil engineering is a professional engineering discipline that deals with the desig[阅读全文]
摘要: VPDN是基于拨号接入(PSTN、ISDN)的虚拟专用拨号网业务,可用于跨地域集团企业内部网、专业信息服务提供商专用网、骨干网连接方式金融大众业务网、银行存取业务网[阅读全文]
摘要:SilverSilver is a chemical element with the chemical symbol Ag (Latin: argentum, from the Ancient Gre[阅读全文]
摘要:VDMA ProfileThe VDMA (Verband Deutscher Maschinen- und Anlagenbau - German Engineering Federation) is[阅读全文]
摘要:Galvanization or galvanisation refers to any of several electrochemical processes named after the Ita[阅读全文]
摘要:A rivet is a permanent mechanical fastener. Before it is installed it consists of a smooth cylindrica[阅读全文]
摘要:Voestalpine AG is an international steel company based in Linz, Austria. The company is active in ste[阅读全文]
摘要:Gruppo Riva is an Italian steel producer. After the Arcelor-Mittal merger and the takeover of Corus b[阅读全文]
摘要:Vizag Steel, also known as Visakhapatnam Steel Plant (Telugu: విశాఖ [阅读全文]
摘要: VTEC系统全称是可变气门正时和升程电子控制系统,是本田的专有技术,它能随发动机转速、负荷、水温等运行参数的变化,而适当地调整配气正时和气门升程,使发动机在高、低速[阅读全文]
摘要: VIM即真空感应熔炼(vaeuum induetion melting) ,真空熔炼技术之一种。系指在真空条件下利用电 磁感应在导体内产生涡流来加热物料的熔炼技术。[阅读全文]
摘要: VAR(Vacuum Arc Remelting)真空电弧重熔方法,最初是以生产活性金属Ti、Zr及其合金,难熔金属Mo、W及其合金而发展起来的。20世纪50年代初[阅读全文]
摘要: TRUNK是端口汇聚的意思,就是通过配置软件的设置,将2个或多个物理端口组合在一起成为一条逻辑的路径从而增加在交换机和网络节点之间的带宽,将属于这几个端口的带宽合并[阅读全文]
摘要: 比较优势理论(Theory of Comparative Advantage),大卫·李嘉图在其代表作《政治经济学及赋税原理》中提出了比较成本贸易理论(后人称为“比[阅读全文]