... 圆圈飞行中心 orbit point 圆形着陆航线 landing circle 圆锥扫描导引头 conical scanning seeker ...
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point orbit 点轨迹
If we look at a star in January—when Earth is at one point in its orbit—it will seem to be in a different position from where it appears six months later.
如果我们在一月份观察一颗恒星——那时地球在其轨道上的一个点——它的位置似乎会与六个月后它出现的位置不同。
The cable would connect with some point on Earth located at the equator, and would allow mass to be transferred to orbit using electricity instead of rocket fuel.
该电缆将连接一些位于地球赤道上的点,这将允许群众被运送到到轨道使用电来代替火箭燃料。
As a result it appeared some 14 percent larger and 30 percent brighter than a Full Moon near apogee, the most distant point in the elliptical lunar orbit.
结果,这导致了比起运行到远地点(椭圆形月球轨道的最远端)时的满月,那天的月亮面积增大14%,亮度增加30%。
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