M-scan echocardiography M型扫描超声心动描记术
m scan M型扫描
SCAN DISP AUTO-M 浏览调台按钮
It can be used to measure the drive's performance, scan for errors, check the health status (S. M. A. R. T. ), securely erase all data and much more.
可被用来测量硬盘性能，扫描错误，检查完好状态，安全地擦除数据。
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