You'll need such information to use as a baseline for measuring progress.
你需要利用这些信息作为基准来衡量进展情况。
There's more to it than simply measuring performance.
除了简单地衡量性能之外,它还有其他更多的功能。
One way to tell is by measuring the bones of their forelimbs.
一种判断的方法是测量它们前肢的骨头。