征兆

The symptoms manifested themselves ten days later.

十天后显露出来了。

She had no previous abdominal surgery, and had normal full laboratory workup, including inflammatory markers, clotting analyses, and thrombophilia screen.

前期无腹部手术史，实验室查完全正常，包括感染、凝血分析，血栓筛。

The premonitor of gushing water and recognition of origin - water are expounded, and put forward the predictive melhod of gushing waler.

阐述了井突水突水水源的识别,提出了井突水预测的方法。