For example, developers often add fields to cache computations, or add fields necessary only during the construction phase, that are not needed during the usually longer use phase of the application.
例如，开发人员往往会为缓存计算添加字段，或在构建阶段仅添加必要的字段，而在应用程序的长期使用过程中，这些都不是必要的。
She decided not to take the plastic off the couch after all, and needed a use for the throw.
她决定不把沙发上包的塑料膜撕下来，但是得给沙发套找个别的用途。
Such knowledge is not needed for everyday use, but is an essential method of philosophical analysis.
这样的知识在日常生活中并没有用，但却是哲学分析的重要方法。
Disable any services that are not needed, and consider an appropriate execution frequency for your environment for the services you do use.
禁用所有不需要的服务，并为使用的服务设置适合自己环境的执行频率。
Often this is not needed because of the large number of registers available for use in the PowerPC architecture.
通常这并不需要，因为在PowerPC体系结构中有大量寄存器可以使用。
This feature is not needed for basic checkbook software use.
此功能是不需要的基本支票簿软件的使用。
The implementation also includes any functions needed to define the class but that are not intended for general use.
实现还包括定义该类需要的但又不供一般性使用的函数。
Add any network-mapped drives that are needed for Rational Application Developer to the c:\windows\system32\ usrlogon.cmd file. If you do not want to edit this file, use this command.
向c： \WINDOWS \ system 32 \usrlogon . cmd文件添加RationalApplicationDeveloper需要的网络映射驱动器。
However, committing the region consumes physical storage that might not be needed, making it unavailable for use by other processes.
然而，调配这个区域不必要地消耗了物理容量，使其很难再被其他进程使用。
DO NOT use your telephone, EXCEPT for a medical or fire emergency. You could tie up the lines needed for emergency response.
不要使用电话，除非是呼叫医疗急救和火警。你可能会占用急救的通信线路。
INACTIVE - Log is no longer needed for instance recovery. It may be in use for media recovery. It might or might not be archived.
表明例程恢复不再需要联机重做日志组，它可能已经归档也可能未归档。
This function is for advanced use only, not normally needed.
除非特殊的需要，一般情况下不需要使用该函数。
A method of importing information to a local calendar for use and deleting the information after it is not needed.
一种将信息导入到本地日程表中以供使用并且在不再需要该信息后将其删除的方法。
The bedpan is close to the relief hole by lifting the lifting component, which is convenient for patients to use. Holding the bedpan manually is not needed.
通过升降件的升降，使便盆接近方便孔，方便病人的使用，无须人工用手托便盆。
The bedpan is close to the relief hole by lifting the lifting component, which is convenient for patients to use. Holding the bedpan manually is not needed.
通过升降件的升降，使便盆接近方便孔，方便病人的使用，无须人工用手托便盆。
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