结果表明，变温马氏体相变及I/C相变过程中内耗均为粘弹性型内耗，是相界面在克服粘滞性阻力而运动时引起的。

The IF behaviour in the processes of MP and I/C phase transformations are nearly the same and is associated with the motion of phase interface under the action of phase transformation driving force.

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对解决气息、声区、发声共鸣中的主要技术难点，克服技巧运用的“片面性”与“绝对性”，实现歌唱器官在运动中的平衡等具有重要的作用。

The paper is significant for solving such skill problems as breath, vocal zone and vocal resonance, overcoming one-sidedness and absoluteness when using these skills.

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