The titer of antiserum was detected by immunoelectrophoresis and double immunodiffusion.利用免疫电泳、向琼脂扩散试验分析和测定抗血清的效价.We will conduct double agar diffusion and counter immunoelectrophoresis with aluminium potassium sulfate a...
明年春天的选举即将来临。And all the time next spring's elections are drawing closer.安第斯山区的雨季通常在12月份来临。The rainy season in the Andes normally starts in December.冬天来临，大部分关口均已关闭。Most of the passes have been closed with the onset o...
Around 1840 the floor length skirt returned , but this time stiffened around the circumference by horsehair.在叼840年前后,极地长裙再次流行, 只不过这次是采用马尾水支撑形状.It's a mile round the circumference of the field.运动场周长一英里.the circumfere...