亚中部着丝粒 meaning in English

submedian centromere

This showed that the diploid chromosome number ( 2n ) of amphioxus b . belcheri tsingtauense was 36 . the chromosomes were extremely small , ranging from 1 . 4 to 3 . 7 um in length . the first pair of the 36 chromosomes of b . belcheri tsingtauense was subtelocentric and the other 17 pairs telocentric . neither metacentric nor submetacentric chromosomes nor satellites were observed
在36条染色体中，除第一对染色体属亚端部着丝粒染色体( st )外，其余均为端部着丝粒染色体( t ) ，未见中部着丝粒染色体( m )和亚中部着丝粒染色体( sm )及随体。