征兆

The symptoms manifested themselves ten days later.

十天后征兆显露出。

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

期无腹部手术史，实验室检查完全正常，包括感染征兆、凝血分析，血栓筛检。

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

详细阐述井突水征兆和突水水源的识别,提出井突水预测的方法。