However, what if the application wanted to track other data such as the value of certain variables or even attempt to profile the code by recording the duration of a particular function invocation?

但是，若是应用程序想要跟踪其他数据(比如某些变量的值)或者甚至试图通过记录特定的函数调用过程来剖析代码，那么情况又是如何呢？

youdao

The time base for this sequence is not known as it is taken from a televised slow motion recording however, the duration between each exhibited frame is constant.

其实，下面这些我们还不太熟悉的图象是扫描电视录象的慢镜头而成。不管怎样，所显示的每幅画面之间的持续时间却是固定的。

youdao

The island also had its lowest recording of sunshine duration since 2003 with 137.3 hours.

BBC: Weather station data shed light on wet July

The seaside town of Nairn, known as the Brighton of the North, had 140.7 sunshine duration hours - the lowest recording since 2007.

BBC: Weather station data shed light on wet July