短語詞組短語boron isotope content 硼同位素含量Fractionation of boron isotope 硼同位素分餾boron isotope fractionation 硼同位素分餾boron isotope ratio B 同位素比Boron -10 Isotope 硼boron isotope -ph proxy 發(fā)散separation of isotope boron 同位素硼separation of isotope boron 10 同位素硼statle isotope -boron 穩(wěn)定同位素硼 返回 boron isotope