上个月，在土星轨道上的宇宙飞船卡西尼号拍的这张照片，捕捉到土星著名的卫星中的两个，呈凸圆相位。

A view with two of the more famous moons of Saturn in gibbous phase was captured last month by the robot spacecraft Cassini now orbiting Saturn.

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3月19日那天的月亮，它最圆的相位发生在月球运行到近地点(月球轨道距离地球最近)附近一个小时以内的时间内。

Rising on March 19, its exact full phase occurred within an hour of perigee, the closest point in the Moon's orbit to Earth.

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利用量子跃迁方法，当考虑绝热和非绝热演化时，发现对于非跃迁轨道，其相位修正值是不同的。

By quantum jump method, we find that the corrections to its phase for the no-jump trajectory are different when considering adiabatic and nonadiabatic evolutions.

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When we talk about p orbitals the phase of the orbital becomes important once we talk about bonding, which hopefully you were happy to hear at the beginning of class we will get to soon.

对于ｐ轨道,当我们讨论到成键时，轨道的相位就变得非常重要了,这个我们马上就要讲到了。

麻省理工公开课 - 化学原理课程节选

And in terms of thinking about the phase of this p orbital, the phase is going to be positive anywhere where z is positive.

对于ｐ轨道的相位，在ｚ大于零的地方都是正的。

麻省理工公开课 - 化学原理课程节选

So I changed the colors here to show that these are 2 p orbitals with an opposite phase or an opposite sign.

我这里换了一种颜色,表示2p轨道,不同的相位或者是正负号。

麻省理工公开课 - 化学原理课程节选