If improved education is combined with other factors dramatic results can be achieved...如果把改良的教育体系和其他的因素结合起来，会取得非常惊人的效果。This quiet demographic counter - revolution is a dramatic upsurge in intermarriage.这种人口统计学意义上的逆向流动便是...
乙烯和反式二氯乙烯在红外光谱的这个区域都无活性.Ethylene and trans - dichloroethylene are both inactive in the infra - red in this region.这是冷却,滤出沉淀的二氯碘化铯.It is cool and filter the precipitated caesium dichloroiodide.反应器和输送管线被用少量二氯甲烷洗涤几次.The rea...