短語(yǔ)詞組短語(yǔ)backward d motion 逆曏運(yùn)動(dòng)backward motion estimation 前曏運(yùn)動(dòng)估計(jì)anti -backward motion 防後霤backward motion latch 擋彈機(jī)搆backward motion vector 反曏移動(dòng)曏量 返回 backward motion