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Published online by Cambridge University Press: 12 April 2016
The methods of the first-order planetary secular perturbations are discussed in this paper. On the basis of Gauss' method, some concrete applicable formulae are derived. And then, orbital evolutions of the nine major planets in solar system during about 2,100,000 years are investigated numerically. The method applied here is in principle suitable for the orbits of arbitrary eccentricities and inclinations.
This paper has been published in Acta Astronomica Sinica, Vol. 23 (1982), No.1, 56, in Chinese.