交通堵塞会产生额外开销和不可预测性，这让投资者望而却步。
Traffic jam leads to expense and unpredictability, things that keep investors away.
第二个问题：这种做法带来了额外开销的风险。
Second problem: this approach creates risks of additional costs.
额外开销是由偶发复杂性形成的，直至它开始显示项目的实际获益。
That extra overhead is a form of accidental complexity until it starts showing actual benefits in your project.
在调整时，一定要考虑大型数据库的额外开销和进行全文搜索的频率。
When sizing, make sure you take into consideration the extra cost of large databases and frequency of full-text searches.
这还是要归因于反射调用中的额外开销、较长的代码路径和跟踪活动。
Again, this can be attributed to some additional overhead in reflective invocation, a longer code path, and the tracing activity.
鉴于这样巨大的改进，重优化SQL的额外开销应该是可以接受的。
With improvements of such magnitude, the additional overhead for re-optimizing SQL queries should be affordable.
这就需要使用报头压缩技术减小互联网传输协议封装引入的额外开销。
The header overhead introduced by transmission protocols must be reduced by header compression.
通常，使用完全限定元素并不太好，因为这可能会带来额外开销和阻塞soap消息。
Normally using full-qualified elements is not a good idea because this causes overhead and bloats the SOAP message.
不要额外开销，能够自己觅食，自己清理笼子，自己买药吃，给医生们做实验。
They don't cost anything, they feed themselves, they clean their own cages, pay for their own pills, and remunerate the clinical observer.
通过研究算法中的额外开销达到优化标量算法的执行和通讯，并减少了存储开销。
The extra spending in the algorithm was studied to optimize the execution and communication of the algorithm and reduce the cost of memory.
对于这一问题的理想解决方案应该是不引入额外开销，然后在遇到断点时将线程挂起。
An ideal solution for this has no overhead and simply suspends the thread when a breakpoint is hit.
采用动态调度势必增加额外开销，纯采用静态调度又很难保证各处理器的负载平衡。
Dynamic scheduling inevitably brings much overhead, however, it is very difficult to keep the load balance among processors if only static scheduling is used.
通过网络模拟器的测试，该算法具有良好的性能指标，同时减少了处理和协议的额外开销。
The testing result shows that using the proposed algorithm, good performance can be achieved, computational cost and protocol overhead can be reduced.
注释：所谓的优化就是WHERE子句利用了索引，不可优化即发生了表扫描或额外开销。
Annotate: So called optimizing is WHERE clause used index, cannot optimize happened to express scanning or additional expense namely.
扇区包含用户数据和额外开销数据，例如已依据扇区的用户数据计算的错误校正码(ECC)。
A sector includes user data and overhead data, such as an Error Correction Code (ECC) that has been calculated from the user data of the sector.
主索引是teradata数据库的惟一特性—在避免索引相关额外开销的情况下提供索引的优势。
A primary index is a unique feature of Teradata's database - it offers the benefit of an index without the traditional overhead associated with an index.
其他特性（比如多MAIL.BOX数据库）消除了未读标记带来的额外开销，并且通过事务日志改进了性能。
Other features, like multiple MAIL.BOX databases, eliminating the extra overhead of unread marks, and transaction logging have also improved performance.
不必再去对付启动Geronimo所带来的额外开销，因此使调试自己的应用程序及使用Geronimo进行工作更为轻松。
That makes debugging your own applications and working with Geronimo a little easier since you won't have to deal with that additional overhead of starting Geronimo.
我们设计和实现了“用户堆”来存放程序中用到的数据，从而减少JVM中对象的数量，降低其管理大量对象带来的额外开销；
We designed and implemented a structure named "User Heap" to store small objects to decrease the overhead for JVM to manage a large number of these objects.
有些协议，例如xdr，就是用来解决更加专用的问题，或减少额外开销；不过对于很多应用程序来说，只编写纯文本流就足够了。
Some protocols, such as XDR, exist to solve more specialized problems, or reduce overhead, but for many applications it is sufficient to just write streams of plain text.
在所实现的织物模拟系统中，CPU完成初始化工作之后，整个模拟过程都在GPU上完成，避免了CPU与GPU之间数据传递的额外开销。
In the developed cloth simulation system, the entire simulation flow is done on the GPU after some initialization work on the CPU, which avoids extra cost of data transfer between the CPU and the GPU.
函数索引还会产生额外的函数执行开销。
A functional index incurs the additional cost of function execution.
在这种情况下，维护两个环境会有额外的开销，而且要确保它们保持同步。
In this case there is an overhead of maintaining two environments and ensuring that they remain in sync.
事实上，太多的线程甚至会降低性能，因为它会导致额外的环境切换开销。
Indeed, too many threads will even degrade performance because of the additional context switching overhead.
有了分区，您添加的每台机器都可以有效地处理自己的一部分，任何机器都不会产生额外的开销。
With partitioning, each machine you add works happily and efficiently on its own, with no overhead or tax incurred by any number of other peers.
为了维持盈利，公司将会大力压缩成本和裁员，但是消费者应该还没有准备好为有机食品和航空旅行补偿而支付额外的开销。
To sustain profits, companies will slash costs and cut jobs, while consumers will be even less prepared to pay extra for organic food or air-travel offsets.
额外系统开销：WS响应模板解决方案不会带来额外的系统开销。
Extra overhead: The WS response template solutions does have some extra overhead.
在这种情形下，servlet只会带来额外的开销和不必要的体系结构复杂性。
In this case servlets simply represent additional overhead and unnecessary architectural complexity.
在这种情形下，servlet只会带来额外的开销和不必要的体系结构复杂性。
In this case servlets simply represent additional overhead and unnecessary architectural complexity.
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