Initially, order keys corresponding to line items shipped by mail or sea during the qualifying time period are extracted from the LINEITEM table.

一开始，从 LINEITEM 表中提取规定时期内通过邮寄或海运发货的行项目所对应的订单号。

youdao

The Champions League qualifying stage was the worst period, but we were thinking beyond that.

打冠军联赛资格赛的那个时候是最困难的时候，不过我们还是挺过来了。

youdao

We have had a negative period and qualifying top is a positive thing.

我们经历了一个困难的阶段，头名出线是件积极的事情。

youdao

This is an automatic right from day one of the agency worker being placed, and no qualifying period applies.

BBC: Agency workers' rights explained

For instance, North Carolina, which gives its workers health benefits for life after only five years on the job, is considering lengthening the qualifying period.

ECONOMIST: Retired Americans' health care

The government backed an amendment to the Welfare Reform Bill on 17 January 2012 to cut the qualifying period for Personal Independence Payments from six months to three.

BBC: Government confirms welfare concession