DNS lookups are cached for better performance.
更好的性能被缓存DNS查找。
Simple queries are serviced by direct lookups.
简单查询是通过直接查找完成的。
JNDI lookups are the standard way to obtain references to remote objects.
JNDI查询是获得对远程对象的引用的标准访问。
Deeply nested elements increases the render complexity making CSS lookups slow.
深度嵌套的元素增加了渲染复杂度，让CSS查找变慢。
These business rules require server-side processing (that is, database lookups).
这些业务规则都要求进行服务器端处理(即数据库查找)。
This causes the client to waste a lot of effort making repeated UDDI lookups.
这将使客户机浪费大量的时间重复uddi查询。
Use the commands as shown below for simple lookups based on their name attributes.
使用如下所示的命令来根据姓名属性进行简单查找。
One is faster. It pulls everything out into local variables, avoiding the lookups.
One稍快，将所有东西都放进局部变量中，避免了查找。
Instead of using JNDI lookups, an EJB can define a resource reference by injecting code.
EJB没有使用JNDI查找，而是通过注入代码定义一个资源引用。
NetBIOS provides a name services layer responsible for network browsing and name lookups.
NetBIOS提供一个名称服务层，负责网络浏览和名称查找。
It is much faster to omit data page lookups whenever values can be directly read from index.
那么，每次可以直接从索引中读取值时，省略数据页的查找方法都要快得多。
This article uses simple Perl code for geocoding lookups using Yahoo's free geocoding service.
本文将把简单的Perl代码用于使用Yahoo的免费地理编码服务进行的地理编码查找。
Get a tool to browse the namespace, and learn where you start for local and remote lookups.
用一个工具浏览名称空间，并了解在本地和远程查询中是从什么位置开始的。
For instance, XOM often USES switch statements without default blocks when doing table lookups.
例如，XOM在进行表查找的时候经常使用没有default块的switch语句。
When you are handling thousands of requests per second, even small trivial lookups are expensive.
在每秒处理几千个请求的情况下，任何微小的查找所产生的代价都是高昂的。
JFS2 also makes use of B + trees for fast directory lookups as well as managing extent descriptors.
JFS2还使用了B +树，以便更快地查找目录和管理分区描述符。
In the past, Apache performed these reverse lookups by default, but this behavior has been changed.
过去，Apache在缺省情况下会执行这些反向查找，但现在这种行为已经有了改变。
Implementations tend to use a set of the most typical operations, such as lookups, joins, and filters.
这些实现倾向于使用最典型的一组操作，如查找、连接和筛选。
Therefore, as of J2EE 1.3, JNDI lookups perform much better and caching lookups does not help as much.
因此，对于J2EE 1.3来说，JNDI查找执行的非常不错，而此时缓存查找就没有多大用处了。
Hence, that property can be used without having to perform any lookups, as shown further in Listing 10.
因此，不必执行任何查找，就能使用该属性，详细信息如清单10所示。
This causes the consumer to waste a lot of effort repeatedly making UDDI lookups and selecting a provider.
这导致使用者把许多时间浪费在重复查找UDDI和选择提供者这样的工作上。
It can take many different forms from simple arithmetic general calculations to contextual domain lookups.
它可以使用多种形式，包括简单的一般性算术计算和上下文域查找。
Existing search options allow for a range of lookups based on where certain data is stored in the directory.
现有搜索选项允许根据特定数据在目录中的存储位置进行一系列查找。
The service registry, on the other hand, is optimized for runtime lookups of services endpoint addresses.
另一方面，服务注册中心针对服务端点地址的运行时查询进行了优化。
Service locator implementations usually include a resource cache to avoid repeated lookups of the same resource.
服务定位器实现通常包括资源缓存，以此来避免对相同资源的重复查找。
The samples at the beginning of this article presented different alternatives for doing EJB home interface lookups.
本文开头的样本中提出了几种进行EJB 本机接口查找的可选方法。
LDAP is used to store any kind of directory-like information that requires fast lookups and less-frequent updates.
LDAP用于存储任何与目录相似的信息，这种信息需要快速查询，更新不太频繁。
When resource lookups are expensive, caching improves performance by avoiding the repeated lookup of the same resource.
当资源查找代价很高时，缓存通过避免重复查找相同资源而提高了效率。
When resource lookups are expensive, caching improves performance by avoiding the repeated lookup of the same resource.
当资源查找代价很高时，缓存通过避免重复查找相同资源而提高了效率。
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