我是拉。这些振动声音复合体变貌，是有可能给予的。
Ra: I am ra. This is possible given the distortions of vibratory sound complexes.
目的通过观察振动声音刺激后胎儿呼吸运动的类型，结合临床探讨是否能作为评价胎儿健康的指标。
Objective to evaluate the value of the type of fetal respiratory movement after vibratory acoustic stimulation test as marker of fetal health.
它振动得越快，发出的声音频率就越高。
The quicker it vibrates, the greater the frequency of sound it produces.
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