endogenous pulsed source (inherent pulsed source)

例句：

1. 1. The research teamdiscovered the endogenous pulsed source in the ancient texts.
   研究小组在古代文献中发现了内源性脉冲源。
2. 2.The discovery of this endogenous pulsed source has revolutionized our understanding of quantum mechanics.
   这一内源性脉冲源的发现已经彻底改变了我们对量子力学的理解。
3. 3. The study focused on the endogenous pulsed source and its potential applications in medicine.
   该研究专注于内源性脉冲源及其在医学上的潜在应用。