优化大型索引可能会非常耗时，而且应该在索引更新不是很频繁的情况下才进行。
Optimizing a large index can be very time-consuming and should be done, if at all, when index updates are infrequent.
这五个注释你现有情况的活动或许显得有些不足，而大多数用的情况下是很耗时的，并且包括很多手动的工作。
These five activities to annotate your current situation may seem short, but most are very time intense and include a lot of manual work.
比如有人认为它太慢了，血液反馈通常耗时2到5妙，但是思维跃动一下只消毫秒之间。
One is that it's slow. The blood flow response can take two to five seconds, but a thought can flash in milliseconds.
在通常的情况下，文档的数据来源可能是外部(比如数据库，文件系统，蜘蛛从网站上的抓取等)，这些通常都比较耗时，尽量优化获取它们的性能。
Speed up document construction. Often the process of retrieving a document from somewhere external (database, filesystem, crawled from a Web site, etc.) is very time consuming.
当母亲听到噩耗时，她从椅子上一下子跳了起来。
The mother leaped up from her chair when she heard the tragic news.
从较旧的技术升级到. NET在一些情况下，可能像在J2EE中重新构建应用程序那样复杂和耗时。
Upgrading from older technologies to.net can, in some cases, be as complex and time consuming as rebuilding the application in J2EE.
在这种情况下，鉴别和分离各种各样的逻辑类形式非常耗时的。
In these cases, identifying and separating the various logic types can be very time consuming.
在这种情况下，通过将两个截然不同并且十分耗时的计算分配给不同处理器，可能会提高几乎两倍的性能。
In such a case, we might nearly double performance by assigning the two distinct and time-consuming calculations to different processors.
当然，如果在您的包内加入过多工作，也可能使其启动缓慢，但是通常情况下这并不是启动中最耗时的一部分。
Of course it's also possible to make your bundles start slowly by doing too much work in them, but typically that isn't the biggest part of startup.
大多数情况下，安装过程耗时不超过45分钟，新操作系统运行的顺畅良好。
In most cases, the installation took 45 minutes or less, and the new operating system worked snappily and well.
它们通常耗时很长，让人很疲惫，你还不得不强迫自己至少时不时输一下(对于竞争性强的人来说就是一个恶梦)。
They are usually long and drawn out, and you have to force yourself not to win at least once in awhile (a nightmare for extremely competitive people).
实际上，大多数棋盘游戏都应位列榜上。它们通常耗时很长，让人很疲惫，你还不得不强迫自己至少时不时输一下(对于竞争性强的人来说就是一个恶梦)。
Actually, add most board games to this list. They are usually long and drawn out, and you have to force yourself not to win at least once in awhile (a nightmare for extremely competitive people).
在这种情况下，注释并不能节省时间，反倒会消耗时间。
由于人们是在不同的环境中使用Helix，因此要确保所有组件在任何情况下都可精确完成工作是一项持续不断、耗时很多的任务。
Since people use Helix in various environments, making sure everything works perfectly in every situation is an ongoing, time-consuming task.
一般情况下，徒步参观游和有导游讲解的博物馆游循规蹈矩、耗时也长。
If you need a break and a few hours to rest your feet, take a boat tour.
方法：通过对不同冲洗条件下各组阳性菌生长情况以及冲洗耗时的比较，选择出一种时间短、效果好的冲洗条件。
Method; a kind of condition, which consumes time shortly and has good effect, was found by the compare for growth of every masculine bacterium and washing time.
在CPU串行运算模式下实现大规模矩阵求逆是一个非常耗时的过程。
For the CPU serial operation mode, it is a very time-consuming process to obtain the inverse of large-scale matrix.
测试表明，在相同任务负载的情况下，系统消耗时钟数平均减少58.33%，内存冲突数平均减少55.28%。
The result shows that under equal task workloads, the system reduces the clocks by 58.33%, and memory conflicts by 55.28%.
开发CSS站点可能比较困难、耗时，而在某些情况下用表格来排版比CSS有意义得多。
Developing CSS sites can be hard and it can time consuming. In certain circumstances using tables for layout can make much more sense than CSS.
该表达式与器件静特性、功率因数、调制度及负载电流有关，利用其计算不同载波调制下通态损耗时只需改动导通占空比。
The results clearly show conduction losses are the function of semiconductor static characteristic, power factor, modulation depth and load current.
在同等精度和耗时情况下，本文方法的求解成功率更高。
The proposed method has higher success rate under the same calculation accuracy.
提出的混合算法克服了使用线性搜索方法难以确定初始解的问题，在同等计算精度和耗时情况下，该方法求解成功率较高。
The proposed algorithm overcomes the difficulty in choosing initial value for line search method, with higher success rate under the same calculation accuracy.
但是，这还取决于两大注意事项：你的淋浴方式，还有你左擦右洗上挠下搓耗时多久。
However, this comes with a couple of big fat caveats: what type of shower you have and how long you prance around in it.
但是，这还取决于两大注意事项：你的淋浴方式，还有你左擦右洗上挠下搓耗时多久。
However, this comes with a couple of big fat caveats: what type of shower you have and how long you prance around in it.
应用推荐