self-protection method的用法和樣例：
例句
- This paper analyes the limition of the popular motors stop-phase detection and protection methods nowadys.
本文分析了目前社會上流行的電動機缺相檢測及保護方法的局限性。 - Because of the unsuccess of our works done before, the protection has been the most difficult problem we should settle now.
在本論文里，嘗試了一種基於密封原理的保護方法，即將晶元帶有鋁的一面密封起來，避免鋁與腐蝕液的接觸。
