我的意思是,上一次我们讨论过了,这个梯度是垂直于等高线,并且是指向方程增长的方向的。
I mean we'd seen in last time, but the gradient is perpendicular to the level and points towards higher values of a function.
然后创建几条线,它们指向不同的方向,具有不同的颜色。
It then creates a few lines pointing in different directions and having different colors.
开发人员拥有一个单个私有的工作区,最初指向活动开发线最新版本的集合。
Developers typically have a single private workspace initially pointing at the collective set of latest versions of the Active Development Line.
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