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- earth rotation synthesis array 地球自转综合天线阵
- The earth rotates from west to east. 地球从西向东旋转。
- Does the earth rotate on an axis? 地球是绕轴旋转的吗?
- The earth rotates on its axis once every24 hours. 地球每24小时依其轴心自转一次。
- The earth rotates on its axis once every 24 hours. 地球每24小时依其轴心自转一次。
- The earth rotates as it travels through space. 当地球通过太空时,它在转动。
- The earth rotates once a day on its axis. 地球绕它的自转轴一天旋转一周。
- This method has been used to determine earth rotation parameters series BRP (SHA) 87L01 and EOP (SHA) 88L01. 复弧法是一个可以在卫星动力测地研究中推广的方法。 上海天文台利用二级复弧法估算了地球自转参数序列ERP(SHA)87 L 01和EOP(SHA)88 L 01。
- Wheels, tops and the earth rotate. 轮子、陀螺和地球均旋转。
- The earth rotates around the sun. 地球绕着太阳转。
- The earth rotates once every 24 hours. 地球每24小时转一周。
- earth rotation aperture synthesis 地球自转综合
- The earth rotates and it revolves. 地球一面自转,一面公转。
- The earth rotates once a day on its axis . 地球绕它的自转轴一天旋转一周。
- The earth rotates round the sun. 地球绕太阳转。
- Because the couplings between crust and the earth mantle are different in different region, the same variation of earth rotation must induce different crust activities. 同样是地球自转速度变慢,因不同区域地壳与地幔的耦合关系不一样,速度变化对不同区域地壳活动的影响也不同。
- Taking fclio earth rotation and oblateness into consideration, the orbit perturbation, attitude errors and its stability effects on SAR Doppler parameters are analyzed. 在考虑地球自转和扁率的情况下,分析了轨道摄动、卫星姿态指向误差和稳定度对SAR多普勒参数的影响,并进行了数字仿真。
- Deciding whether and when a leap second is needed falls to an international organisation called the International Earth Rotation and Reference Systems Service (IERS). 决定是否需要闰秒、何时添加闰秒的任务由国际地球自转事务中央局(IERS)承担。
- The earth rotates around the sun, and the earth rotates once a day. 地球围绕太阳转,与此同时地球每天自转一次。
- This site provides numerous resources on the planet Earth. It contains a table of statistics, photography taken from space, radar-generated images of the planet, animations of the earth rotation, etc. 资源描述:网站提供了有关地球这个行星的大量资源,包括统计资源,从宇宙拍摄的照片,雷达图片,地球转动的动画等。