它是与等值面相切的，对不对？

It's going to be tangent to the level surface, right?

youdao

另一种方法是，函数值不变的方向是,是与等值面相切的方向。

The other way to think about it, the direction in which the value doesn't change is a direction that's tangent to the level surface.

youdao

事实上，语用学与等值翻译在交际框架下存在着千丝万缕的关系。

In fact, pragmatics and equivalence translation have myriad ties in the framework of communication.

youdao