采用酸碱双点电位滴定法测定盐酸雷尼替丁含量.Double - point potentiometric titration was used to determine ranitidine hydrochloride and its capsules.采用EDTA滴定法测定了稀土镁锆中间合金中的锆.Zirconium in rare earth - magnesium - zirconium master alloy was deter...
White House officials ordered Williams to recant.白宫官员命令威廉斯公开宣布放弃自己的观点。Though he was forced to change his religion,he would not recant.虽然强迫他改变宗教信仰，但他绝不改变。However, life would be pleasanter if Rhett would recant his heresie...
One voter in Brasilia summed up the mood — 'Politicians have lost credibility,' he complained...一位巴西利亚的选民将人们的心情一言概之——“政客们已无信誉可言”，他抱怨道。The JK Bridge in Brasilia is a lesson in elegant bridge design.JK总统大桥可说是优雅桥梁...