Objective Finding out and cognizing fly species and its composing background in Jinun district.目的摸清济南地区有瓣蝇类种群及构成情况....

cognizing的音标：cognizing的英式发音音标为：[kɒɡ'naɪzɪŋ]cognizing的美式发音音标为：[kɒɡ'naɪzɪŋ]...

v.认知，认识( cognize的现在分词 )...