emphases

1.Each lesson has eight parts, like rhesis, scene, text, new words, emphases, exercises, grammar and words.

内容有国学名句、商务场景、课文学习、生词学习、要点分析、点练习、语法学习、词汇学习等八个学习环节。

2.Study of the reaction order of p-dichlorobenzene sonolysis was carried out The emphases of the study were the impact of the original concentration, the solution volume and the sound frequency.

着研究了溶液初始浓度、反体积和超声波频率对超声波处理对二氯苯的影响,得到不同件下的最佳反件;