diurnal fluctuations

• 日变化

diurnal fluctuations的用法和样例：

例句

1. The diurnal changes of CR formed a curve affected by temperature.
   群体呼吸日变化为一随温度而变化的单峰曲线。
2. Its diurnal change is consistent with that of the heating field's, especially with diurnal change of the solar heating.
   环流日变化是被非绝热加热的日变化所驱动的，特别是被太阳辐射日变化所驱动。