... 次等控制点 point of minor control 原点 point of origin 近地点 point of perigee ...
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Rising on March 19, its exact full phase occurred within an hour of perigee, the closest point in the Moon's orbit to Earth.
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。
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The perigee of its elliptical orbit (the closest point it comes to Earth) has actually risen slightly, and is just above 200km.
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