本文通过对于《至大论》这样一部古希腊数理天文学经典著作的解读和研究，重点做了以下工作。
The Greek astronomer Ptolemy, who dealt with mathematical astronomy in Almagest, is systematically studied in this doctoral dissertation.
由此看来，即使国际天文学联合会保住冥王星的行星地位，经典的太阳系九大行星理论也仍然要改，只是改法相反而已。
It seems that even if the IAU had kept Pluto's status as a planet, the classical theory of nine planets in the solar system would have had to be changed, but the other way around.
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