Lithograph was introduced from China to Europe.印刷术是从中国传入欧洲的。A print of a woodcut , lithograph, or other engraved material, especially when reproduced in a book.铅版:木刻, 平版或其它雕刻材料的印模, 尤指在书中复制时的印版.The lithography and the man...
Its tendency to archaic language was tempered by the indolence of its exponents.它的应用古语的趋势却被用语者的懒散所冲淡.Logs are useful in solving equations in which exponents are unknown.在不知道指数的情况下,采用对数解方程式非常有效.The most common exponents a...
OBJECTIVE To study and improve the synthesis of liposome excipient phosphatidyl ethanolamine.目的研究并改进脂质体辅料磷脂酰乙醇胺的合成工艺.Responsible for the establishment of quality standard for raw material and excipient.负责原辅料和产品质量标准的建立.Ne...