客户通常会在数据中心使用交换磁盘或 LUN-level 技术来为计划内和计划外中断提供本地保护，但不涉及到磁盘子系统。
Typically, clients use switched disk or LUN-level switching within a data center to provide local protection from planned and unplanned outages not involving the disk subsystem.
其中的外墙子系统能有效防止冷热对建筑物的辐射，保护外保温板不受雨雪侵蚀。
The external walls of buildings subsystems can effectively prevent reversal of radiation protection, food warming plates from sleet erosion.
这种多频激光器（MBL）将取代现有的红外干扰激光器和闪光灯子系统，以保护直升机免受红外制导导弹的威胁。
The multiband laser (MBL) replaces an existing infrared jam laser and flash lamp subsystem to protect helicopters by defeating infrared-seeking missiles.
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