How far you are away from the nucleus in terms of a radius, they don't depend at all on those two angles, theta they're independent of theta phi and they're independent of phi.

只和离核子的距离，也就是半径有关，它们和,另外两个角度无关，它们不决定于,也不决定于。

麻省理工公开课 - 化学原理课程节选

In other words, if you look too closely at a picture or if you stand too far away from it you don't see it clearly it's out of focus but if you achieve just the right distance from it, it comes into focus.

换句话说，如果你站得离一幅图画太近,或太远都无法看清它,它在焦距之外,但是如果你站在合适的位置上，焦距就对准了，画就清晰了。

耶鲁公开课 - 文学理论导论课程节选

It's hard for the show to go too far in that direction, because it can't take you too far from other plot lines.

CNN: STORY HIGHLIGHTS

You can't wander terribly far from a network access point without losing your connection.

FORBES: Magazine Article

If you don't want to venture far from the capital, there is a lot to do right in Accra.

CNN: Welcome to Ghana: Exotic wildlife, historic castles and a golden coast