医学实验中 试验组和对照组 怎么翻译? 试验组:experiment/experimental(2选1,下同)group/arm对照组:controll/controlled group/arm供参
英语翻译 Abstract:rational allocation of test apparatus,support the use of large-scale magnetic measurement of transformer winding three-to-low-voltage DC Resistance internal angle to resolve the 3381(or ot.
英语老实在班级搞了英语听力对比试验,现对甲、乙两个试验组各10名同学进行英语听力测验,各测5次,每组同学合格的次数分别如下: (1)甲组的及格率为30%,乙组的及格率为50%,所以乙组的及格率高。(2)甲小组的英语听力的合格次数比较稳定。