价格不菲的硬盘驱动器(固定成本)可服务成千上万的用户(边际成本)。
That expensive bank of hard drives (fixed costs) can serve tens of thousands of users (marginal costs).
警告：冲水驱动器之前，请不要选择任何资源管理器窗口的驱动器。这将被固定在程序未来版本。
Warning: Before flush a drive, please don't select that drive on any explorer window. This will be fixed on future version of the program.
对于固定的硬盘，磁头撞击通常会破坏数据，然而磁带或光盘驱动器的错误通常对数据盘碟是无害的。
A head crash in a fixed hard disk generally destroys the data, whereas the failure of a tape drive or optical disk drive often leaves the data cartridge unharmed.
其安装步骤与应用于硬盘的步骤相似：确定跳线，将电缆接头与驱动器和主板分别连接，然后将光驱置于固定托盘中。
The steps resemble those applicable to hard drives: verify the jumpers, attach the cable connectors to the drive and to the board, and then fit the CDROM into its tray.
本文介绍该标准草案的选用范围、固定式消防泵驱动器—控制器的分类、关键设备、基本功能及性能要求。
The scope and object, classifications of controllers for drivers of stationary fire pumps, key devices, basic functions and performance requirements for the standard draft were introduced.
指定的目标驱动器不是固定驱动器。
它包括驱动器，传动装置，玻璃，窗板，与窗板固定的窗板连接板；
The invention comprises a driving mechanism, a transmission device, the glass, a window board and a connecting board for the window board that is fixed with the window board;
它包括驱动器，传动装置，玻璃，窗板，与窗板固定的窗板连接板；
The invention comprises a driving mechanism, a transmission device, the glass, a window board and a connecting board for the window board that is fixed with the window board;
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