美国航太总署地球大观，制图：杰西·艾伦，使用了由戈达德宇航中心的热带降雨测量任务科学数据与信息系统提供的准实时数据。

NASA Earth Observatory image by Jesse Allen, using near-real-time data provided courtesy of TRMM Science data and Information System at Goddard Space Flight Center.

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求解需要速度时，实时地考虑了地球扁率的影响，并给出了利用中间轨道法求解需要速度的过程。

When solving required velocity, it real-timely thinks about influence of oblateness of the earth and gives the process of solving required velocity by midcourse trajectory method.

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全球定位系统功能，可以产生实时定位连接到全球定位系统定位，连接谷歌地图和地球谷歌。

The GPS function can generate real time location by connecting to the GPS locator, which links to Google Map and Google Earth.

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