the never-changing mac provides a specific, reliable address for a physical device.

if the physical device exists and the init option is not specified in the backup statement, the backup is appended to the device.

如果存在物理设备且BACKUP语句中未指定INIT选项，则备份将追加到该设备。

互联网摘选

an access to a raw device avoids the cache, resulting in direct read and write operations on the physical device.

而对原始设备的访问则没有缓存，导致物理设备上的直接读写操作。

互联网摘选

if you have a supported physical device already in partnership with your development computer, you could also choose the physical device.

如果开发计算机中已经有一个受支持的物理设备，也可以选择该物理设备。

互联网摘选

the containers used in dms must be a pre-allocated file or physical device, such as a hard disk drive.

DMS中所使用的容器则必须是预分配的文件或物理设备，如硬盘驱动器。

互联网摘选

block size of the physical device containing the file in bytes (not the backup device).

包含文件的物理设备（并非备份设备）的块大小（以字节为单位）。

互联网摘选

the initialization of the physical device occurs later, when a backup is written to the backups device.

将备份写入备份设备后，便会初始化物理设备。

互联网摘选

then, at least one logical interface will be linked to this physical device, such as en0 or et0, on which the ip address will be configured.

至少有一个逻辑接口与这个物理设备链接，比如en0或et0，在逻辑接口上配置IP地址。

互联网摘选

for example, depending on the system, this class might be able to access a physical device.

例如，根据具体的系统，此类可能能够访问物理设备。

互联网摘选

below the buffer cache are the device drivers, which implement the interface for the particular physical device.

缓冲区缓存之下是设备驱动程序，它实现了特定物理设备的接口。

互联网摘选

describes opening the device emulator as a substitute for a physical device.

介绍如何使用设备仿真程序来替代物理设备。

互联网摘选

an inverted pendulum is a physical device consisting in a cylindrical bar (usually of aluminium) free to oscillate around a fixed pivot.

一个倒立摆是个物理设备它包括一个圆柱体的棒子（通常是铝的）可以在一个支点周围振荡。

互联网摘选

this file can be on a different disk drive than the main file, which means that the database can be larger than one physical device.

该文件可以位于和主文件不同的磁盘驱动器上，这意味着数据库的大小可以超过一个物理设备。

互联网摘选

a backup device is a logical device that corresponds to a resource provided by the operating system (the specified physical device).

备份设备是指对应于操作系统提供的资源（指定的物理设备）的逻辑设备。

互联网摘选

the access to a specific device is handled by traditional physical device driver associated with it.

对特定设备的访问由与它相关联的传统物理设备驱动程序处理。

互联网摘选

at the bottom line we see an additional 11% pages had to be read from the physical device.

在基线上，我们看到必须从物理设备多读11%的页。

互联网摘选

the device emulator can serve as a substitute for a physical device during much of the development cycle of a smart device project.

在智能设备项目开发周期的大部分阶段，设备仿真程序都可以充当物理设备的替代品。

互联网摘选

for efficiency, linux maintains a cache of the requests to avoid having to go back out to the physical device for all requests.

为了提高效率，Linux对请求进行缓存，避免将所有请求发送到物理设备。

互联网摘选

likewise, it is possible to run several instances of the server on the same physical device.

同样，在同一台物理设备上也可以运行若干服务器的实例。

互联网摘选

study and application of diagnosis-evaluation technology for heat-insulating property of thermal generating unit

火电机组保温性能诊断评估技术的研究及应用

互联网摘选

good heat-insulating property and a heat resistance ratio no less than quality goods of foaming polyphenyl boards;

保温性能良好，热阻值不低于正品发泡聚苯板；

互联网摘选