Subtracts the specified time or duration from this instance.

从此实例中减去指定的时间或持续时间。

youdao

Firstly, null was accepted by a number of the Joda time APIs to refer to 0 time or duration.

首先，很多Joda Time API都接受null值来表示0时间或是间隔。

youdao

By contrast, the audience encounters an opera or a play over a specific time, which is the duration of the performance.

相反，观众可以有一段具体的时间来欣赏话剧或者戏剧，这段时间就是表演的持续时间。

youdao

Today we're going to move away from the first dimension of music that we've been looking at, which is duration, or time, and begin to work with the second, which is pitch, and melody.

今天我们要结束对音乐的第一个维度的学习,即时值,或者说拍子,并开始讨论音乐的第二维度,即音高与旋律

耶鲁公开课 - 聆听音乐课程节选

We talk in terms of high pitch and low pitch although we'll fine tune that next time, and then we have this idea of duration or time, which we tend to write out in symbols that move from your left to right.

我们是从高低方面来谈论音高,即使我们将于下次讲解曲调的问题,我们已经有了音符时值或时间的概念,我们倾向于用符号来表示,时间是从你的左边向右边移动的

耶鲁公开课 - 聆听音乐课程节选

It is not possible to know at this time the precise scope or the duration of the deployments of U.S. Armed Forces necessary to counter this terrorist threat to the United States.

WHITEHOUSE: The White House

Even Lady Thatcher, who allowed the value of unemployment benefits to languish during her time in office, did not actually cut them or impose limits on their duration.

ECONOMIST: From third way to Thatcherism