State-sanctioned ivory engravers each year receive an allocation that China legally bought from a handful of African nations in 2008. 国家批准的象牙雕刻师每年都会分到一定量的象牙,这些象牙是2008年中国从几个非洲国家手里合法买来的。
The eighteenth century was the golden age of the English engravers. 18世纪是英国雕刻家的黄金时代。
In the area of military research and application, circuit board engravers are conducive to technology secrecy, and to the accelerated construction and development of national defense technology. 服务于军事科技的研究和应用上有利于技术保密,加快国防科技的建设和发展。
A Customer from the U.S.A needs laser engravers urgently and uses it to engrave stainless steel with different thickness. 美国客户急切寻求激光雕刻机用来切割不同厚度的不锈钢。
The paper holds that Xiling Seal Engravers 'Society experienced ups and downs in the thirty years from 1949 and 1979 which can be divided into four stages, namely still, recovery, stagnancy and development. 文章认为,在1949年至20世纪70年代末的30年间,西泠印社的发展历经了很大的起伏变化过程,大致可以划分为沉寂期、恢复期、低谷期、发展期这样四个阶段。
The Current State and Development of Engraving Heads for Electronic Engravers 电子雕刻机雕刻头研究现状与发展
Research on History of Xiling Seal Engravers 'Society from 1949 to 1979 1949年至1979年西泠印社历史研究
The actuality and development of engraving heads for electronic engravers were introduced. 介绍了电子雕刻机雕刻头的研究现状与发展。
Taking Scholarship as the Final Purpose ── Study on the History of Xiling Seal Engravers 'Society 以学术为旨归&西泠印社社史研究二题
Study on Xiling Engravers 'Society from the Development of Society Organization 从社团组织发展看西泠印社
Among them boat or cuneiformed cores and stone tools such as long scrapers with round edges, engravers and adze-shaped blades are found largely. 石制品中有典型的楔形、船底形石核;工具有长身圆头刮削器、雕刻器和锛形器等。
High frequency electro-mechanical conversion device whose performances effect the efficiency of plate-making and the quality of printing is a key component of electronic engravers machine which is a key device on printing technology. 电子雕刻机是现代印刷技术的关键设备,而高频响电-机械转换器则是电子雕刻机的关键部件,其性能直接影响制版的效率和印刷质量。