Herein, a case of mixed gonadal digenesis is presented, and the literature is reviewed.

在此，我们提混合型性腺发育不良的病例，并做文献回顾。

The reasons forming abnormal formation pressure mainly includes digenesis, thermogenesis, biochemical action, tectonic action, dialysis, and fluid density difference action.

形成常地层压力的原因主要有成岩、热力、生、构造、渗析及流体密度差等。