OPN expression may be an early molecular event in the process of tumorigenesis and could be used as a biological marker to monitor the malignant process of osteosarcoma.

OPN可能是肿瘤形成过程中的早期分子事件，可作为监测肿瘤恶性进展的一个生物学标志。

youdao

The drowning event is a key marker representing the termination of carbonate platform development and has some features of geology, geochemistry and seismic reflection.

沉没事件是碳酸盐岩台地发育、演化终止的一个重要标志，它具有特定的地质、地球化学及地震反射特征。

youdao

Conclusion Abnormal methylation of TPEF gene is a frequent event and may become a promising diagnostic marker for early detecting colorectal carcinoma.

结论大肠癌患者TPEF基因甲基化为一频繁发生事件，可望成为大肠癌早期诊断的一个标志物。

youdao

Leeds had lifted the National One trophy just six days before the Twickenham final and had hoped to put a marker down in the showpiece event ahead of their return to the Guinness Premiership.

BBC: MacDonald rues Twickenham errors

Park officials said the mowing of bridleways would not only act as a clear way marker, but also act as breaks in the ground cover in the event of wildfires.

BBC: North York Moors park tracks given clearer markers