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陈述语气在陈述事件时,有时会带有某种感情色彩,这种感情的表达往往借助于句末的语气词。通过实验分析我们发现,这些语气词的韵律特征大都会随所表达语气的不同发生相应变化,包括音高、时长和能量,其中音高和时长的变化比较稳定,能量则相对不太稳定。句末语气词可以以不同的韵律特征帮助表达不同的语气,具有表达语气的作用。不过,并不是所有语气词的韵律特征都有这个作用。
The tone of the statement in the presentation of the event, sometimes with some emotional color, the expression of this feeling is often resorted to the end of the modal particle. Through experimental analysis, we found that the rhythmic characteristics of these modal particles vary with the expression of the tone, including the pitch, duration and energy, of which the variation of pitch and duration is relatively stable and the energy is relatively less stable. The modal particle at the end of a sentence can help to express different tones with different prosodic features, and has the function of expressing mood. However, not all prosodic features of modal particles have this effect.