SD rats were divided into 3 groups: control, scald and electret group.将大鼠分成对照组 、 烫伤组和驻极体实验组.The melt blown nonwoven technology, the electret theory and electret nonwoven are introduced in this paper.系统介绍了非织造布熔喷工艺 、 驻极化理论...
Verbs are often followed by adverbial particles.动词后常常接副词。It can serve as subject, predicate, object, attribute and adverbial modifier.可以作主语 、 谓语 、 宾语 、 定语、状语.Preposition - like adverbial particles are a special class of ...