Each lesson has eight parts, like rhesis, scene, text, new words, emphases, exercises, grammar and words.
每讲内容有国学名句、商务场景、课文学习、生词学习、要点析、点练习、语法学习、词汇学习等八个学习环节。
Each lesson has eight parts, like rhesis, scene, text, new words, emphases, exercises, grammar and words.
每讲内容有国学名句、商务场景、课文学习、生词学习、要点析、点练习、语法学习、词汇学习等八个学习环节。
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、反应体积和超声波频率对超声波处理对二氯苯影响,得到不同条件下最佳反应条件;
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