给出了反求工程中特征的分类和参数表达。
Then the feature classification and parameter representation in reverse engineering are pointed out.
只有从频散的斯通利波和弯曲波中提取出相慢度，才有可能进一步求准地层渗透率和横波慢度等参数。
Only when phase slowness is extracted from the Stoneley wave and the flexural wave, can the parameters of formation be obtained exactly, such as permeability and shear slowness.
1975年、1976年格林和斯坦利发表了求二维接触面参数的一个方法。
In 1975, 1976, Green and Stanley published a method to determine parameters of two-dimensional magnetic and gravity contact surface.
应用推荐