vital effect的意思|示意

New words recognition and ambiguity resolving have vital effect on information retrieval precision.

新词识别和模糊性解决信息检索精度有重要的影响。

One key fact has been found that the ferrocene concentrations have vital effect on the morphologies of the products.

试验过程中一个重要的事实被发现，二茂铁的浓度对产品的形貌起到关键性影响。

It (Information Technology), as a guide of hi-tech, adds a vital effect to the economic performance in western areas.

信息技术作为高科技的先导，对西部经济效益的影响举足轻重。