medical education on seven-year program七年制医学教育
canceling registration on three-year-non-use撤销连续三年停止使用注册商标申请
year-on -year与去年同期数字相比
year-on-year年同比;同期相比的;同比增长;与上年同期数字相比的
on-off-year出笋大小年
Year-on-year deadline for按年为期限
year-on-year declines跟去年同期相比的
on year-on-year同比