某硬盘有两张盘片,每个记录面有150条磁道,最大位密度为2400bpi,最内圈磁道周长为25英寸,每条磁道100个扇区,每个扇区容量为512字节,则该硬盘提供给用户编程用的存储容量为
A campus emergency ______ occur at any time of the day or night, weekend, or holiday, with little or no warning.
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