Air raid wardens in tin hats self - importantly stalked the streets.空袭民防队员戴着钢盔神气活现地走在街上昂首阔步....wide-brimmed hats with red pom-poms worn by the local girls.当地女孩戴的宽边、有红色绒球的帽子The salesman showed her nearly all the hats in t...
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.Two fdmilies Of characteristic lines in the hyperbolic region are not orthogonal.在双曲型区域两族特征线互不正交.F...
Make an investigation on haemolysis active of lauryl glucoside and hexadecyl glucoside.考察了十二烷基葡糖苷和十六烷基葡糖苷的溶血活性.The method has been used for the determination of glucose in α - methyl glucoside.该方法可用于测定α甲基葡萄糖苷中葡萄糖含量.Amygd...