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但是, 貝塔系數(shù)必須要用過去的數(shù)據(jù)來估計.However, estimate of beta is reached with the past data.至此, 貝塔斯曼全面退出在華圖書銷售業(yè)務.At this point, Bertelsmann completely withdraw from book sales business in China.阿爾貝塔龍是肉食動物, 它捕食其它的恐龍.Albertosaurus was a ...

“貝塔”的英語可以翻譯為：[人名] Beytagh ...

“貝塔石”的英語可以翻譯為：etafite ...