abbr.

1. = days after acceptance 承兑后日数
2. = delayed action 【军】延期爆炸，定时爆炸；延迟作用
3. = deposit account 定期存款
4. = discharge afloat 船上卸货
5. = district attorney（美国）地方检察官
6. = do not answer 不答复，无回音
7. = documents against acceptance 【商】承兑交单，提货单
8. = documents attached 附件
9. = density-altitude 密度-高度
10. = drift angle（符号）偏航角，偏流角

n.

1. 【口】爸爸，爹爹（= dad）

abbrev.