fixed dose combination meaning in English

固定剂量组方

The two drugs have been combined as one drug for the first time as dry powder for injection and liquid solution for injection as a fixed dose combination
将两种药物组合为一种药物，首次作为确定剂量组合物的注射剂及液体溶液的注射剂的干燥粉末。我自己都好像不知道自己在写什么?请高人指教一下.谢谢
Daniel berman msf campaign for access to essential medicines presented msf s experience with fixed dose combinations in resource - poor settings at satellite symposium : " world health organisation : 3 by 5
Daniel berman (无国界医生病者有其药运动成员)在大会上介绍无国界医生在资源不足情况下运用固定剂量组合的经验