单词ptolemaic system
网络: 托勒密之天动学说；托勒密体系；天动说
The top panels clearly illustrate the necessary geometry for a lunar (left) and solar eclipse in the Earth-centered Ptolemaic system.
图的最上面清楚地表明了托勒密体系：以地球为中心的月球（左）和太阳轨道的椭圆几何。
Text at the upper right explains the movement of the planets according to the Ptolemaic system.
右上角的文字揭示了托勒密系统内行星的运动。
The orbits of planets in the once popular geocentric Ptolemaic system are epitrochoids.
曾经盛行的托勒密地心说体系里的行星轨道就是外旋轮线。
or or relating to the geocentric Ptolemaic system.
指托勒密的地心说体系或者与此体系相关的。