previouslyadv.先前；在此之前previousadj.以前的；先于；在 ... 之前previous input samples先前输入采样值previous-carry digit前位进位数位previously stored data先前存储数据previous balance method前期余额法previous element coding前象素编码Previous Operating Time预先操作时间previously - occupied先占previous financial year上一财政年度previously carry tonnage原提吨数previous profit and loss[经] 前期损益