A negative face has an outward normal pointing in a direction opposite that of the positive x-axis.

负向的外法线指向与正x轴相反的方向。

youdao

Set a direction for yourself.

为自己设定一个方向。

youdao

So there has to be a direction.

所以需要有个方向。

youdao

Other experts have said the Microraptor probably flew with its back wings a little under and in a direction like that of the front wings.

VOA: special.2010.03.16

Milton has wrenched this poem away from Christianity, and he's forced it into a direction that we could loosely call paganism.

弥尔顿的诗歌偏离了基督教，走了我们可以不严谨的称为异教的方向。

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But you're really seeing it turning into a direction where I would rather not see it go.

但你看到了它正在朝着我不愿意看到的方向转变。

纽约的负面变化 - SpeakingMax英语口语达人

So, the debate changed yesterday, in a direction that may help George Osborne politically.

BBC: Bad news for Labour in OBR

So my prediction is not a number but a direction and the direction is up.

FORBES: Why The Dow Will Hit 16,000 By 2015

But society is moving in a direction where we will all have online presences of some sort.

FORBES: The Beauty of Never Forgetting