“Upper Cretaceous”的概念、定义、翻译、参考文献-科学参考

单词	Upper Cretaceous
释义	Upper Cretaceous [`ǝp·ǝr kri`tā·shǝs] ^GEOLOGY The late epoch of the Cretaceous period of geologic time, beginning about 90 million years ago.
随便看	ordered list ordered octad ordered pair ordered rings ordered tetrad ordering orderly shutdown order of aberration order of degeneracy order of interference order of magnitude order of phase transition order parameter order point order quantity order relation order statistics order tone ordinal number ordinal scale measurement ordinal type ordinary cut ordinary differential equation ordinary gear train ordinary index

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