dialup拨号dialn.拨号盘；刻度盘；日晷；钟面v.拨号；打电话dial system tandem operation自动转接的动作dialkyiglycine decarboxylase二烷基甘氨酸脱羧酶Dial Teletypewriter Exchange拨号式打字电报机交换机dial tone first coin service先听拨号音后投币制dialling mistake probability拨号错误概率dialyzable quaternary amines可渗析季胺类dial comparator-micrometer度盘式比较千分尺dial private branch exchange专用自动电话局,自动小交换机dialytic elimination meth od析配消元法dialyzable leukocyte extract可透析白细胞浸出物