heptanthiol的音标：heptanthiol的英式发音音标为：['heptənθɪəʊl]heptanthiol的美式发音音标为：['heptənθɪoʊl]...

The antimuon decay also conserves the total light and heavy lepton numbers.在反μ子衰变中,总轻轻子数和总重轻子数也是守恒的.This work is one of the series , which studies the lepton identificationin the BES ( Beijing Spectrometer ) in detail.这项...

contraceptive的音标：contraceptive的英式发音音标为：[ˌkɒntrə'septɪv]contraceptive的美式发音音标为：[ˌkɑntrə'septɪv]...