In applications that do a great deal of copying of data between channels, the zero-copy technique can offer a significant performance improvement.
在需要在通道间大量拷贝数据的应用程序中，零拷贝技巧能够显著地提高性能。
This has the potential to increase performance significantly for applications that do a great deal of copying of data from one I/O channel to another, such as Web servers.
这就极有可能提高了需要在I/O通道间大量拷贝数据的应用程序的性能，如Web 服务器。
However, copying collectors have the added cost of copying the data from one space to another, adjusting all references to point to the new copy.
不过，复制收集器因为要将数据从一个空间复制到另一个空间、调整所有引用以指向新备份而增加了成本。
The reasons for moving or copying data could be for performance issues, or general growth of data where there is not enough space in its current environment.
转移或复制数据的原因可能是为了提高性能，或者因为当前环境中没有足够的空间容纳不断增长的数据。
Performance is better as the data is kept in a single format instead of copying to different data models which in the worse case requires extra serialization and parsing.
性能之所以能够得以改进，其原因是数据以单一格式保存，而不是复制到不同的数据模型，后者在情况不佳时可能需要额外的序列化和解析操作。
One common means of storing data, called an array, is very easy to split in two; but combining two arrays requires copying the contents of both into a new array.
常用的数据存储方法是数组，它很容易被一分为二的，但是合并两个数组则需要把两部分都拷贝到一个新的数组中（对内存有很大的要求）。
For instance, user interface frameworks often require a lot of code involving copying data back and forth from the database to the user interface.
例如，用户界面框架经常会包含大量类似的代码，它们的作用就是把数据从数据库中复制到用户界面，或者把界面上的数据复制回数据库。
Listing 1 does not validate user-supplied data when copying it to the buffer member of the previously allocated struct mystruct using the strcpy function, resulting in a heap-based buffer overflow.
在使用strcpy函数将用户提供的数据复制到先前分配的struct mystruct的buffer成员中时，清单1不验证用户提供的数据，造成堆中缓冲区溢出。
Use Monitor’s Data Movement Service (DMS) to enable periodically copying of information from the event processing tables to the dashboard tables.
使用Monitor 的DataMovementService (DMS)来启用从事件处理表到仪表板表的定期信息复制。
DB2 Advanced copy Services (ACS) enables you to leverage the fast copying technology of supported storage devices to perform the data copying part of backup and restore operations.
AdvancedCopyServices (acs)使您能够利用受支持的存储设备的快速复制技术，该技术可用于执行备份和恢复操作的数据复制部分。
In a copying collector, another form of tracing collector, the heap is divided into two equally sized semi-spaces, one of which contains active data and the other is unused.
在另一种形式的跟踪收集器——复制收集器中，堆被分成两个大小相等的半空间，其中一个包含活跃的数据，另一个未使用。
You do this by copying the impacted code units into a common framework and placing all of the data objects they refer to into a common data interface.
此工作是通过以下方式实现的：将受影响的代码单元复制到公用框架中，并将其引用的所有数据对象放置到公共数据接口中。
Now instead of moving/copying big blocks of data, we are just manipulating pointers into an existing block.
现在不用移动和拷贝大的数据块操作，我们只是操作指针进入到一个存在的块内。
Incremental backup is the process of copying data sets in the Hierarchical Storage Manager.
增量备份法是指在存储管理程序中，复制若干数据集的处理方法。
The scheme removes the software overheads of TCP/IP protocols and reduces the overheads of context switching and data copying between the kernel and user levels.
该方案消除了TCP/IP协议栈的软件开销，也减少了核态与用户态的数据拷贝和上下文切换的开销。
Computer crime form is unauthorized and illegal invasion of computer systems, copying programs or data files.
计算机犯罪的形式是未经授权而非法入侵计算机系统，复制程序或数据文件。
Freeing the memory becomes the responsibility of the abstract data buffer as well. Considering all that, centralizing memory management and data copying operations produces the following advantages.
释放内存也变成了抽象数据缓冲的责任。
Performance is enhanced by allowing the CPU to move on to other tasks while data copying procedds in parallel in another part of the machine .
让CPU 不参与数据拷贝工作而去处理其他的任务的同时，将数据拷贝任务在CPU 的其他区域与CPU并行工作来极大地提升性能。
Methods the data of applying for copying the medical records was retrospectively analyzed in 3 years.
方法对本院3年来申请复印病案资料进行回顾性统计分析。
The feasibility of the application of the SQL SERVER copying technique in earthquake precursory data integration is explained through examples.
通过实例说明了SQLSERVER复制技术在地震前兆数据集成中应用的可行性。
Copying system can pick up the contour figure data of the shaped products.
仿形系统可提取已成型产品的外形轮廓数据。
The marshaler pins data to reduce the overhead of copying and enhance performance.
封送拆收器锁定数据以减小复制的系统开销并提高性能。
You can copy rows into a new table using a Make table query, which is useful for creating subsets of data to work with or copying the contents of a table from one database to another.
可使用“生成表”查询将行复制到一个新表中，“生成表”查询对创建要使用的数据子集或在数据库之间复制表的内容非常有用。
And IBM's Watson helps to diagnose cancer, not by copying the reasoning of a doctor, but by trawling enormous bodies of medical data.
IBM的超级计算机“沃森”(Watson)通过查阅海量医疗数据(而非复制医生的推理方法)帮助诊断癌症。
Transferring data using DMA will occupy less CPU resource, synchronously obtain higher response speed of the system and higher copying speed.
使用DMA方式进行数据传输可以占用较少的CPU资源，同时获得较快的系统的响应速度和数据拷贝速率。
Provides steps for copying the definition of a table, such as its column names and their properties, and provides steps for copying both the definition and the data of those columns.
提供复制资料表定义的步骤，例如，复制资料行的名称和属性，以及提供同时复制这些资料行定义和资料的步骤。
This paper introduces a practiced method of calculating the tracer contour data of YX-173A cam milling machine from the discrete curve of brake cam contour, based on the copying principle.
应用连续曲线离散化思想，介绍了一种从已知工件轮廓曲线出发，按加工成形原理计算出YX-173A专用凸轮铣床仿形靠模轮廓数据的实用方法。
Chinese or English information of filbert gernes germplasm resources could be put the databases simultaneously. They have the functions of input, modifying, searching, printing and copying data.
该数据库可同时输入榛属种质资源的多项中文或英文信息，并具有增删、修改、检索、打印、拷贝等功能。
Copy-on-write (or COW) is a technique to delay or altogether prevent copying of the data.
即写即拷(或牛)技术完全延迟或防止复制的数据。
Copy-on-write (or COW) is a technique to delay or altogether prevent copying of the data.
即写即拷(或牛)技术完全延迟或防止复制的数据。
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