时效性的英文：
timeliness

Timeliness
时效性;时新性

timeliness is important as it defines the response-time criterion in advance of the system's implementation.
及时性很重要，因为它规定了先于系统运行作出反应的时间标准。

Creditors use financial statement analysis to know the safety of principal and the timeliness of interest.
债权人将利用财务报表分析来了解本金的安全性和利息的及时性。

Building the fiscal cadastre is a field exercise that requires tight quality control. Much attention must be given to timeliness and accuracy.
建立财产地籍簿是一次很好的质量控制实习。需要注意时宜性和准确性。

discrimination time
辨别时间辨别时间

It is time to go.
该走了。