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...
Methods: The contents of levofloxacin and tinidazole in auristilla were determined by dual wavelength spectrophotometry.方法采用双波长分光光度法直接测定左氧唑滴耳液中主药的含量,以留样观察法考察其稳定性.The ergosterol content in mycelia of Agaricus brasiliensis...
The moon's round orb would shine high in the sky, casting its velvety light on everything.圆盘似的月亮会高悬在夜空中，将柔和的月光洒向人间万物。This album confirmed The Orb's status as national stars, going straight to Number One in the ...