diurnal variation curve

• 日变化曲线

diurnal variation curve的用法和样例：

例句

1. Meanwhile, the variation curve of the theoretical construction cambers in the nodes of the bridge girders is compared and repeatedly corrected.
   算出主梁各节点理论施工预拱度变化曲线等数据并与实测值进行比较，反复修正。
2. The system design and the collection of temperature changes in temperature curve on the LCD display.
   本系统设计了温度采集且把温度的变化曲线在液晶上显示出来。