将他们对这些星系进行数学分析时，精确预言出了它们卫星星系的位置和质量。
Their mathematical analysis, when applied to these galaxies, correctly predicted the positions and masses of their satellites.
五亿一百六十二万七百三十一颗星星。我是严肃的人，我是非常精确的。
Five-hundred-and-one million, six-hundred-twenty-two thousand, seven-hundred-thirty-one. I am concerned with matters of consequence: I am accurate.
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