Most people have a "window period" of 3 to 12 weeks during which antibodies to HIV are still being produced and are not yet detectable.

多数人在感染艾滋病毒后有3至12周“窗口期”，在此期间，人体仍在产生艾滋病毒抗体，但这些抗体尚无法测出。

youdao

The database instance is taken offline for certain period of time within the maintenance window.

在维护窗口中，数据库实例会在特定时间段内被离线。

youdao

One of the reasons the site is so valuable to scientists is that it opens a window on the natural world just prior to a period of great, and puzzling, change.

对科学家来说这个遗址极为重要的一个原因是：就在令人茫然的巨变发生之前，它为我们打开了一扇通往自然世界的窗。

youdao

Note: There's a strict 60-day grace period to set up the COBRA plan, so act quickly--miss that window, and you'll be tossed into the individual insurance market.

FORBES: Magazine Article

"During this early time window--the launch period--the initial investment is significantly high, " says Mark Beaumont, who heads sales and marketing for game publisher Capcom .

FORBES: Magazine Article

All I can tell you is, I think at this point the right fiscal path for the country is to try to support the economy in the short run, and to do it in a fiscally responsible way, which is over a period of, say, a 10-year window -- which is common -- to have it be paid for.

WHITEHOUSE: Press Briefing