Markertn.马克特markern.标记；做记号的工具；做记号的人；记分员Marker- assisted selection标记辅助选择（MAS）marker-free transformation无标记转化marker of the durative aspect持续体标记marker - assisted selection分子标记辅助选择Marker-assisted introgression标记辅助导入marker - controlled watershed改进型标记控制的分水岭分割Marker-free transgenic tobacco无选择标记转基因烟草Marker- assisted introgression标记辅助导入（MAI）marker - assisted introgression标记辅助导入Marker-assisted selection breeding标记辅助育种