Let's assume that the atmosphere goes up 1000 km above the Earth (when it is a sphere), and so is a sphere itself of radius 6400km+1000km=7400km.

让我们做个假定，如果大气层高过“地球”（如果确是球体的情况下）1000公里的话，那么地球本身的半径6400公里+1000公里=7400公里。

youdao

So, for a sphere, the normal vector is divided by the radius of the sphere.

关于球体，法向量是,除以球的半径。

youdao

You take a sphere, in 3 dimensions, you rotate around the center of the sphere, and all those rotations leave the sphere alone.

那一个三维的球来说，无论你怎样把它绕中心旋转，它都会保持不变。

youdao

The statement says, "The decision is aimed at creating conditions for the future normalization of the situation in the republic, its reconstruction and development of its socio-economic sphere."

VOA: standard.2009.04.16

It's conventional--that is to say, it belongs in the public sphere to all of us, and there's perhaps a certain sort of Romantic loss in that.

其实这很常见，语言是属于大家的，虽然这让语言少了一些浪漫的意味。

耶鲁公开课 - 文学理论导论课程节选

During the same period when I was first teaching this course, a veritable six-foot shelf of diatribes against literary theory was being written in the public sphere.

我一开始教这门课的时候，文学理论遭到了,公开地谩骂。

耶鲁公开课 - 文学理论导论课程节选

Do you feel, or are any community leaders there feeling - from whatever sphere - feeling that there's some kind of community-wide discussion that might need to take place about the way we are accountable to each other as neighbors?

NPR: The Missing Women Were Seemingly In Plain Sight

InTent 's Moroccan-inspired space and top-notch fare combine to produce an exotic atmo-sphere.

FORBES: Fact and Comment

After playing around with the tool, I sent my praise to the Twitter-sphere and connected with the CEO, Matthew Bellows.

FORBES: If You Want To Be Awesome At Emails, Add Yesware To Your Gmail Today