All the sectors on a disk platter that can be read without moving the head constitute a track.
磁盘盘片在无需移动磁头的前提下即可读取的所有扇区组成一个磁道。
With sequential access, the disk head can move directly to the next available track on the disk.
使用顺序访问，磁盘头可以直接移动到磁盘的下一个可用磁道。
As mentioned above, random access requires the disk head to move randomly over the disk to find the proper data points.
正如上文提到的，随机访问要求磁盘头能随机移动到磁盘上，查找对应的数据点。
Then, the server's disk head had to move randomly over all areas of the disk to get to the proper track and sector for the data that was changed or updated.
然后，服务器的磁盘头随机移动到磁盘的各个区域查找更改或更新过数据的磁道或扇区。
This is due to how WebSphere MQ accesses the disk: essentially, MQ can only respond to the commit when the relevant part of the disk platter has spun past the drive head.
这归因于WebSphereMQ访问磁盘的方式：实质上，MQ只能在磁盘的相关部分转过磁盘头时才响应commit 。
Now, the most commonly used enterprise hard disk drives (HDDs) are limited by the rate of head movement, the speed of the spinning platter, and seek latency.
现在，大多数常用的企业硬盘驱动器(HDD)都受到磁头移动速度、盘片旋转速度和查找延时的限制。
It wasn't so long ago that trying to get Linux onto your system hard disk often comprised hours of head-scratching, system resets, and searching the Internet for the right drivers.
不久之前，在您的系统硬盘上安装Linux往往会花上您数小时去苦思冥想、进行系统重启、在因特网上搜索适当的驱动程序。
The output device might be a hard disk, for instance, and writing to the hard disk involved moving the write head around and waiting for the platter to spin to the right place.
输出设备可能是硬盘，例如，和写作涉及的硬盘将写头，等待盘片旋转到正确的地方。
That also mean that the head must be closer to the disk or the magnetic field may influence the surrounding sectors.
这也表明磁头需要更紧地贴着盘片读取数据，或者磁场也可能影响到周围的扇区。
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.
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。
When the disk rotation speed increases the stability of magnetic head is slightly worsened.
高转速的磁盘对磁头稳定性不利，但影响不大。
Marine fishes with a flattened elongated body and a sucking disk on the head for attaching to large fish or moving objects.
身体扁平细长的海生鱼，头部有吸盘，可吸附于大鱼或移动的物体上。
To study the adsorptive mechanism and sliding frictional mechanism between the head and disk of the magnetic disk unit, a qualitative analysis theory is given in this paper.
本文提出了一种可以很好地解释在磁盘驱动器中头盘界面之间的吸附机理和滑动摩擦机理的理论。
The split morph can be used as precision positioner, especially as the secondary actuator in dual stage head positioning servo system of high density hard disk drives.
该分割电极压电致动器可用于精密定位，尤其适合在高密度硬磁盘驱动器的磁头定位两级伺服系统中作第二级致动器。
This paper introduces the disk projection formation and its burnishing technique, the discussion centres on the design static characteristics for burnishing head and its experimental research.
阐述了磁盘高点的形成及其铲刮技术，并着重论述了铲刮头的静特性设计和实验研究。
Tested and verified in practical optical pickup head, this lens canful fill the requirement of digital versatile disk pickup systems.
经过实际应用，证明这种结构完全能够满足高密度光盘光学头的技术要求。
Process of rolling forming from both side of disk type parts has been studied with analysis of forces applied to rolling head and each contacting zone on billet.
研究了盘型件双面辗压成形过程，分析了辗压头与坯料各接触区域受力状态。
The black painted aluminum case with all stuff inside called Head and Disk Assembly or HDA.
黑与所有内部称为头盘东西大会或港龙画铝盒。
Lithography servo disk is a new servo locating technique for magnetic head.
光刻伺服盘是一种新的磁头伺服定位技术。
When the disk rotation speed increases, the stability of magnetic head is slightly worsened.
高转速的磁盘对磁头稳定性不利，但影响不大。
We mentioned the alarming consequences that can happen if a hard disk suffers a head crash. You will lose some or all of your data or programs.
我们曾提到如果硬盘遭遇磁头划伤就会产生令人担忧的结果，你将会丢失部分或全部的程序或数据。
As the head can be used to read and write messages quickly hopes of finding any point on the disk, so you can access information on the disk directly.
由于用来读写信息的磁头能很快地寻到磁盘上的任何一点，因此，磁盘上信息的存取可以直接进行。
Optical head is the core device of the optical disk drive. The aperture matching is the most important problems of optical head design.
光学头是光盘存储器的核心部件，光学头光束孔径匹配是光学头设计的一个至关重要的问题。
After analyzing the elevator strategy of the disk scheduling for the single head disk system, this paper explains an elevator scheduling for two-headed disk system.
首先对单头磁盘系统的电梯策略进行简要分析，然后根据双头磁盘系统的特点给出相应的电梯调度算法。
Since the heater is OFF during load, the risk of collision between the head element section and the magnetic disk is reduced.
由于在装载过程中加热器被关闭，因此磁头元件部分和磁盘之间碰撞的风险被减小。
When the head disk collision occurs, the peak acceleration of the shock pulse approximately follows a linear relationship with the inverse of the excitation duration.
当头盘系统发生碰撞时，冲击激励峰值加速度与作用时间的倒数之间具有近似线性关系。
The head disk collision can take place many times, whose locations may be at the trail of the slider or the front.
磁头浮动块与磁盘盘面发生多次碰撞，碰撞位置可能在浮动块尾端，也可能在浮动块的前端。
Studying the theory of optical pickup head unit (OPU) and how to pickup the signal on the disk. Based on these theories, it analyse the structure of the focusing and tracking device.
研究光学拾取头的基本原理和光盘信号拾取原理，简要分析了实际的光学头聚焦伺服和循迹伺服的机械结构。
A head crash is a disaster for a hard disk. It means that some or all of the data on the disk is destroyed.
磁头划伤对于硬盘来讲是灾难，它意味着磁盘上的数据部分或全部丢失。
A head crash is a disaster for a hard disk. It means that some or all of the data on the disk is destroyed.
磁头划伤对于硬盘来讲是灾难，它意味着磁盘上的数据部分或全部丢失。
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