第三章详细地研究了毛细管气相色谱法测定水溶液中仿生农药n, N一二甲基一2,3一二氯丙胺盐酸盐含量的分析方法。
In Chapter 3, a method for determination of biotics pesticide 2, 3-dichloro-n, N-dimethylpropyl-amine hydrochloride in aqueous has been developed by capillary gas chromatography in detail.
总计辅 音音位45 个。第四章：帮丙布朗语单字调共四种调，高平调 55、高降调 51、低升调 13 和低降调 31。
The fourth chapter: Bangbing-Bulang has altogether four kinds of single tones, which including 55 Indiscriminately allocates, 51high falling tone, 13low rising tones high and 31 the low falling tone.
应用推荐