It is going to be this unit disk.
它将会是这个单位圆。
Above the unit disk means I don't care about this infinite surface.
在单位圆上方意味着，我不关心无穷远处。
Now, of course the smart choice would be to just take the flat unit disk.
当然了，最佳选择是用单位圆盘。
because it's a unit disk. And, the center of mass is the center of a disk.
因为它是一个单位圆盘，这部分的中心就是圆盘的中心。
Then the integral of one dxdy will just be the area of this unit disk which is pi.
那么积分1dxdy的值,就是单位圆的面积π
One example that we did, in particular, was to compute the double integral of a quarter of a unit disk.
我们已经做过的一个例子是，计算四分之一单位圆上的二重积分。
We give a sufficient condition for the self-similar set in the plane which is homeomorphic to the unit disk.
最后一章讨论自相似集的拓扑结构，给出了平面上的自相似集同胚于单位圆盘的充分条件。
In this paper, we give a condition for harmonic functions in the unit disk by invariant weighted area-mean-value property.
本文使用不变加权面积平均值性质刻画了单位圆盘内的调和函数。
That is just going to be, if you look at this paraboloid from above, all you will see is the unit disk so it will be a double integral of the unit disk.
这就会变成…，如果俯视这个抛物面，所看到的就是单位圆盘，这就应该是单位圆上的二重积分了。
Chunks provide administrators with a significantly large unit for allocating disk space.
区块为管理员提供一个很大的磁盘空间分配单元。
The topology editor creates a matching bound virtual image unit (Figure 20) that contains disk definition units and network connection units, according to the data in the virtual image file.
拓扑编辑器创建了一个匹配的虚拟镜像单元(图20)，根据虚拟镜像的数据，它包含了硬盘定义单元以及网络连接单元。
Add a virtual disk definition unit and a virtual Ethernet connection unit to the virtual image.
向虚拟化镜像添加一个虚拟的硬盘定义单元和一个虚拟的以太网连接单元。
A chunk is the largest unit of physical disk dedicated to database server data storage.
区块是用于数据库服务器数据存储的最大物理磁盘单元。
There is some CPU overhead in performing the dictionary translation, however there is also an improvement in disk IO efficiency as more data can be retrieved per IO unit.
在执行字典翻译时有一些CPU开销，但是在磁盘IO效率上也有一个提高，在每个IO单元更多数据可被检索。
The commit at the end of the unit of work cannot complete until all of the dirty pages involved in the unit of work have been written to disk.
在工作单元最后进行的提交，必须等到在此工作单元内涉及的所有脏页都被写到磁盘之后才能完成。
To prepare the unit for LVM, create a primary LVM partition (partition type 8e) spanning the whole disk.
为了为LVM准备此单元，创建一个包含整个磁盘的主lvm分区(分区类型8e)。
The unit of procurement for large installations, however, will almost certainly be the "pod." In that context, adding capacity one server or disk at a time starts to make little sense.
更大规模的安装采购，还只是"pod”,那就是说，增加服务器性能或增加硬盘，开始变得毫无意义。
Different companies produce different components (e.g. hard drives, central processing unit (CPUs), and disk drives), and the quality of a component may vary across manufacturers.
不同公司生产不同的部件(如硬盘、中央处理器和磁盘驱动器等)，不同厂商所生产的同一部件的质量也不是参差不齐。
In a virtual storage system, a fixed-length block of contiguous virtual addresses copied as a unit from memory to disk and back during paging operations.
在虚拟存储系统中，一个固定长度的连续虚拟地址块，在分页操作过程中它作为一个单位在内存和磁盘之间来回复制。
In a magnetic disk unit, an arm on which magnetic heads are mounted.
磁盘机中一种用于安装磁头的臂状部件。
A magnetic disk unit in which some disks are fixed and others may be exchanged by an operator.
一种磁盘存储设备，其中一些磁盘是固定的，另一些则可以由操作员更换其中的盘片。
Hitachi announced it is selling its hard-disk-drive unit, called Hitachi Global Storage Technologies, to Western Digital for $4.3 billion.
日立宣布以43亿美元将其称为日立全球存储的硬盘驱动器部分卖给西部数据。
A data carrier mounted and demounted as a unit, for example, a reel of magnetic tape, a disk pack.
可作为一个部件安装和卸下的存储数据的介质，例如，一个磁带卷，一个磁盘组。
Order number of ways: to disk as a unit, not retail sale.
数量订购方式：以盘为单位，不得以零售出售。
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。
RAID Redundant Array of Inexpensive Disks, groups many disk drivers in a storage unit to perform parallel data transfer and offer fault-tolerant.
RAID是廉价冗余磁盘阵列的简称，它把多磁盘驱动器连接到一起协同工作，提供并行的数据传输和容错功能。
The unit in which data is stored and retrieved on a fixed block architecture disk.
固定块结构磁盘中，数据存储和检索的基本单位。
Thereafter, the controller searches a storage unit, such as a hard disk, for a file name having the same content name as that of the loaded recording medium.
其后，控制器在存储单元中检索具有与被装载记录介质相同内容名称的文件名。
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。
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。
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