time-variable data

例句：

1. 1. The data collected in this study is time-variable and needs to be analyzed accordingly.
   研究中收集的数据是时间可变的，需要相应地进行分析。
2. 2.The researchers used time-variable data to study the effects of climate change on agriculture.
   研究人员使用时间可变数据来研究气候变化对农业的影响。
3. 3. The time-variable data showed that the population growth rate has been declining over the past decade.
   时间可变数据显示过去十年人口增长率一直在下降。