征兆

The symptoms manifested themselves ten days later.

十天后征兆显露出来了。

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，实验室检查完全正常，包括感染征兆、凝分，筛检。

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

详细阐述了井突征兆和突的识别,提出了井突预测的方法。