the fact or quality of happening at the best possible time or at the right time

The system may help severe-weather researchers improve the timeliness and accuracy of forecasting storms. 该系统可能可以帮助恶劣天气研究人员提高风暴预报的及时性和准确性。

The simplest way to ensure timeliness is to pay your bills online. 确保及时性的最简单方法是在线支付账单。