direct radiative transition

例句：

1. 1. The scientistshave discovered a new way to directlyradiative transition in the solar spectrum.
   科学家们发现了一种在太阳光谱中直接辐射跃迁的新方法。
2. 2. The research on thistopic is crucial for understanding the fundamental principlesof direct radiative transition.
   对这一主题的研究对于理解直接辐射跃迁的基本原理至关重要。
3. 3. The engineers designed anew device that could directly radiativetransition between different energy levels.
   工程师们设计了一种新型设备，可以在不同能量水平之间直接辐射跃迁。