试述RAID0、RAID1、RAID3、RAID5方案。
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凡尔纳是()小说的开创者之一。
A. 科幻
B. 悬疑
C. 推理
The purpose of an air compressor unloading device is to ()
A. drain water from the air receiver
B. drain water from the cylinders
C. delay the compression process until the motor is up to speed
D. check pump alignment
直接接触物体间各部分的热量传递现象叫对流。
A. 正确
B. 错误