existing defects的用法和樣例：
例句
- The surface defects decrease the nanowire's energy transport capability.
當納米線(xiàn)表面存在缺陷時(shí)，其熱傳導系數小于無(wú)缺陷納米線(xiàn)的值。 - The ineffectiveness of security supervision results from the deficiencies existing in the basic construction of security supervision.
我國證券監管不力的根本原因在于證券監管基礎建設方面存在缺陷。
