“Friedmann time”的概念、定义、翻译、参考文献-科学参考

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单词	Friedmann time
释义	Friedmann time Astronomy Friedmann time弗里德曼时间
随便看	variational principle of the quantum mechanics variational principles of elastic mechanics variational problem variational problem with fixed ends variational problem with free ends variational problem with mobile ends variational scheme variational series variational solution variational symbol variational theorem variational theory variational transition-state theory variational translation Variational Translation Theory variation between laboratories variation calculus variation centre variation coefficient variationcoefficient of orebody variation curve variation form variation in sign variation limiting matrix variation method