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

形异常地层压力的原因主要有、热力、生化、构造、渗析及流体密度差异。

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

此，我们提出一个混合型性腺发育不良的病例，并做文献回顾。