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- The moon travels in an orbit around the earth. 月球在绕着地球的轨道上运行.
- A new satellite has been put into orbit around the earth. 一颗新的人造卫星被送上了环绕地球的轨道。
- Once in space, the spacecraft went into orbit around the Earth. 一旦进入太空,太空船就进入环绕地球运行的轨道。
- The earth moves in an approximately cirular orbit around the sun. 地球在一个近似正圆的轨道上绕着太阳运行。
- The satellite itself will orbit around the earth for a period of days . 卫星本身将绕地球轨道运行一段时间。
- The satellite itself will orbit around the earth for a period of days. 卫星本身将绕地球轨道运行一段时间。
- The curvature of spacetime keeps the earth in its orbit around the sun and drives distant galaxies ever farther apart. 时空曲率使地球得以保持在绕日轨道中,也驱使遥远的星系彼此更加分离。
- The spacecraft is in orbit around the moon. 该航天器在绕月球轨道运行。
- Half a year later, the Earth has moved to the other side of its orbit around the Sun. 半年之后,地球运行到围绕的太阳轨道的另一侧。
- As another example the center of mass of the earth and moon moves in an approximately circular orbit around the sun. 作为另一个例子,地球和月亮的质心就是在一个绕太阳的近似的圆轨道上运行。
- Gravity keeps us grounded.It slows the ascent of baseballs and holds the moon in orbit around the earth. 重力让我们停在地面上,也减缓了棒球的飞升,并且让月球绕著地球运行。
- The moon orbits around the Earth; The planets are orbiting the sun. 月亮绕地球转;行星正绕太阳转。
- In the Southern Hemisphere the seasons are a bit more extreme than they would be if the Earth's orbit around the Sun were circular. 如果地球绕太阳运行的轨道是圆形的,那么南半球的四季变化就会更明显。
- An annular eclipse occurs instead of a total eclipse when the Moon is on the far part of its elliptical orbit around the Earth. 而发生日环食而不是日全食的是因为月亮运行到距离地球较远的轨道上,于是月亮的本影只能遮到太阳的中心。
- They can be ground based or orbiting around the Earth. 望远镜亦可固定在地面或在太空中绕地球运行。
- Launched by a multi-stage Ares 5 rocket, the spacecraft will go into orbit around the Earth before docking with the International Space Station. 该飞船将由多级“阿瑞斯-5”号(阿瑞斯,希腊神话中的战神)发射,在和国际空间站对接之前进入围绕地球旋转的轨道。
- The moon orbits around the earth and the earth around the sun. 月球绕着地球转,地球绕着太阳转。
- Milankovitch proposed in the early twentieth century that the ice ages were caused by variations in the Earth's orbit around the Sun. 米兰科弗其在20世纪初期提出冰河世纪是由地球绕日轨道的变化而形成。
- The great circle representing the apparent annual path of the sun,the plane of the Earth's orbit around the sun,makes an angle of about 23 degrees with the equator. 在地球上看到的太阳运行的轨道,地球绕着太阳转的平面,与赤道平面大致成23度角。
- The idea behind the experiment is simple: Put a spinning gyroscope into orbit around the Earth, with the spin axis pointed toward some distant star as a fixed reference point. 实验背后的原理十分简单:将转动的回转仪放在环绕地球的轨道,转轴指向远处星体,作为固定基准点。