权威例句
Ptolemaic SystemPtolemaic systemPtolemaic SystemNew look at the Ptolemaic systemDid King Alfonso of Castile really want to advise God against the Ptolemaic system? The legend in historyPtolemy¿s system of seven climata and Eratosthenes¿geographyThe Ptolemaic System and the Ramifications of Hierarchical Thinking; The Impact of Medieval LiteratureMaimonides on the Ptolemaic System: The Limits of Our KnowledgeThe Ptolemaic System: A Detailed SynopsisOn the Determination of Planetary Distances in the Ptolemaic System
