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Use Cases
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Resources
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Pricing
427 BC - 347 BC
% complete
星球軌道是圓形,星體繞地球運行,且運行速率是等速率。
408 BC - 335 BC
% complete
384 BC - 322 BC
% complete
287 BC - 212 BC
% complete
90 AC - 168 AC
% complete
1221 AC - 1284 AC
% complete
1472 AC - 1543 AC
% complete
1546 AC - 1601 AC
% complete
1548 AC - 1600 AC
% complete
1564 AC - 1642 AC
% complete
1571 AC - 1630 AC
% complete
1635 AC - 1703 AC
% complete
1642 AC - 1726 AC
% complete