心宿一alniyat τ: 心宿三sigma-t,σt: 條件密度average stress σm: 平均應(yīng)力nunki =σ sagittarii: 斗宿四σ-氨基-r-酮戊酸: o-amino-r-ketovaleric aeid下載手機(jī)詞典可隨時(shí)隨地查詞查翻譯