chars的音标：chars的英式发音音标为：[tʃa:z]chars的美式发音音标为：[tʃaz]...

abbr.characters （复数）角色，人物（剧本中用语）v.把…烧成炭，把…烧焦( char的第三人称单数 )，烧成炭，烧焦，做杂役女佣...

The structure development of coal chars under high temperature reducing conditions was studied.研究了在高温还原性条件下煤焦的孔隙结构的变化规律.The interaction force between two current elements and a pair of moving point chars is discussed.讨论了...