用超声进行组织弹性定征的方法有四种： 图像检查法、振动测量法、静态应变测量法和参数识别法。
There are four methods for ultrasonic characterization of tissue elasticity: imaging inspection techniques, vibration velocity measurements, quasi-static strain measurements and parametric methods.
目的：通过在体电阻应变测量法探讨种植体弹性模量的变化对颌骨表面压应变值的影响。
Objective: To study the effects of elastic modulus change of dental implants on the compressive stress in the surface of the jaw of dogs.
超声脉冲回波法是一种高精度的弹性模量声速测量法。
The ultrasonic pulse reflecting method is applied to survey the dynamic elastic moduli.
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