They noted that their study was limited by lack of information on duration of multivitamin use.

他们称，由于对人们服用复合维生素持续时间缺乏了解使得研究受到限制。

youdao

If the state is Closed, we can calculate the work item status based on Duration and Time Spent value.

如果状态是Closed，那么我们可以基于持续时间和花费时间的值，来计算工作项的状态。

youdao

Nurses should pay more attention to psychological nursing care and observation on duration of low-oxygen.

护理中应重视病人心理护理，加强低氧耐力的观察。

youdao

Let's go on to talk about the other axis of music and that is rhythm or duration.

让我们继续讨论音乐的其它维度,节奏或时值

耶鲁公开课 - 聆听音乐课程节选

Well,if you go back to the formation of musical notation from the ninth through the twelfth centuries we see that very early on these two dimensions of music the two axes of music that we talked about before pitch vertically and duration horizontally, are in place and we have these spots in this grid.

回顾一下从公元九世纪至二十世纪,音乐记谱法的历史形成过程,我们可以看出,音乐的两个维度,就是我们之前提到的音乐的两个轴,纵轴是音高,横轴是时值,在早期已经存在了,我们在这样的网格上用点记录

耶鲁公开课 - 聆听音乐课程节选

That they were essentially long on duration and it was interest rates that drove that portfolio, not other decisions that could be made in a portfolio, or other investments that could be made in a portfolio.

FORBES: What Is a "Flexible" Bond Fund?

When you provide this much discretion to a single manager, when you talk about that wide range, that wide band on duration, the ability to go long and short across the different macro factors, you can introduce some risk into the portfolio, not withstanding your risk target of a bond like volatility.

FORBES: What Is a "Flexible" Bond Fund?

There were also discussions of entitlement reforms and tax reforms, balancing of revenue and other measures, cuts and revenues, that obviously did not take effect immediately and relied on a duration, on triggers, and that sort of thing.

WHITEHOUSE: Press Briefing