one plus one space-time维时空
one-time password一次性密码;[计] 一次性口令;单次通行码;动态口令
one-way time单程时间
one-time items非常事件调整项目
one-time system一次一密体制
one-time query一次查询
one-time programmable可一次性编程的;一次可编程的
one-time offer一次性提供
One-time investment一次性投资
ADJ（形容词） One-time is used to describe something which happened in the past, or something such as a job, position, or role which someone used to have. 以前的 [journalism] [ADJ n]
The legislative body had voted to oust the country's onetime rulers.
立法机构已投票罢黜了该国以前的统治者们。
ADJ（形容词） A one-time thing is made or happens only once. 一次性的 [美国英语][ADJ n]
...a one-time charge.
…一次性收费。