“positive birefringence”的概念、定义、翻译、参考文献-科学参考

单词	positive birefringence
释义	positive birefringence [`päz·ǝd·iv ´bi·ri`frin·jǝns] ^OPTICS Birefringence in which the velocity of the ordinary ray is greater than that of the extraordinary ray.
随便看	sample survey sampling sampling area ratio sampling bottle sampling distribution sampling error sampling fraction sampling gate sampling interval sampling pipe sampling plan sampling probe sampling process sampling rate sampling risk sampling spark chamber sampling spoon sampling switch sampling techniques sampling theorem sampling theory sampling time sampling voltmeter samsonite samson post

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