battery-backed英'bætəriːb'ækt美'bætəriːb'æktCOCA¹⁷⁸²¹¹BNC¹⁷³⁹⁹⁵⁺² 基本例句 计带蓄电池后备电源的 For single drives this could greatly reduce performance but with a properly battery-backed RAID card with cache, the impact may not be as severe. 对单个磁盘而言，这么做肯定会大幅降低磁盘性能，但对于正确配置的含有BBU的磁盘阵列而言，性能下降得微乎其微。 yeeyan