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This paper has made a qualitative analysis and discussion for the cause of the variation of geocentric gravitational constant.
对地心引力常数的变化原因作了定性分析和讨论。
youdao
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This paper has made a qualitative analysis and discussion for the cause of the variation of geocentric gravitational constant.
对地心引力常数的变化原因作了定性分析和讨论。
youdao