将“time scale"翻译成中文

The PA model integrates steady-state flow conditions and transport of released radionuclides during the safety time scale.

PA模型集成了安全时间尺度上的稳定流条件和释出核素的运移。

It was reported that weather forecasting was carried out on three major time scales, short, medium and long

据报告,按短、中、长三个主要时标进行了天气预测。