mean solar semi-diurnal constituent

例句：

1. 1.The research on the mean solar constituent is crucial for understanding the behavior of the sun.
   研究太阳的半日周期成分对于理解太阳的行为至关重要。
2. 2.The team identified several mean solar constituents that could be used in future experiments.
   该团队识别出了几个可用于未来实验的太阳半日周期成分。
3. 3. The discovery of these mean solar constituents has led to a deeper understanding of the sun's energy production processes.
   这些太阳半日周期成分的发现，加深了我们对太阳能量生产过程的理解。