Truc特吕克TRn.abbrtranition problem转型问题truncation errors截断误差tracing frequency跟踪频率trophogenic layer营养生成层Trachelomonas vasn.瓶形囊裸藻trophochrome cell滋养核染细胞trophogenous zone营养生成带TRMS/DC switch真有效值／直流（TRMS／DC）转换器tranamission pole传输极点Trombicula walchi[医] 华氏恙螨