预报时效 meaning in English
period of validity
Examples
- The successful extension of the forecast period depends on the effective use of computer technology to enhance service quality in the past years
今次预报时效得以延长，有赖天文台多年来，善用电脑科技，提高服务素质。 - Because meiyu rainstorm happens quickly , predicts in short time and often causes disaster . so study on the mechanism of mesoscale rainstorm system has a great value
由于梅雨暴雨突发性强、预报时效短，常造成重大自然灾害，研究梅雨暴雨中尺度系统的发生发展机理，具有重要的理论和实际意义。 - The results of forecast experiments show that the numerical model have fine forecast function , and that period of validity and accuracy of storm surge forecast depend on those of typhoon parameter prediction to a great extent
预报结果表明本数值模式具有良好的预报功能，并指出其风暴潮预报时效和精度在很大程度上取决于热带气旋气象预报的时效和精度。