如果您使用拉模型，映射很简单且易于维护。
If you use the pull model, the mapping is simple and easy to maintain.
灵活且易于维护。
在这种情况下，虚拟机是一种好的选项，因为它的成效比较高，且易于维护。
In this case, virtual machines are a good option because they are cost-effective and easier to maintain.
制冷装置(1)的特征在于，它特别可靠、高效地工作，可低成本制造，且易于维护。
The refrigeration device (1) is characterised in that it is particularly reliable, works efficiently, can be cost-effectively produced and is easy to service.
扩展基本DITA任务主题之后，您可以使用这个新模式来构建用例；利用这些用例，您可以构建一个灵活且易于维护的用例模型。
After you extend the basic DITA task topic, you can use this new schema to build use cases; from these use cases, you can build a use case model that is flexible and easy to maintain.
这样做可使SQL更加易于维护，且可使您的应用程序免受SQL注入攻击。
Doing so makes the SQL easier to maintain and secures your application from SQL injection attacks.
与很快会变得过时且难以进行更新的比较正式的项目计划不同，电子表格非常易于使用和维护。
A spreadsheet is very easy to use and maintain, unlike the more formal project plan which quickly goes stale and is never easily updated.
这将节省时间，并使得解决方案更加健壮且更易于维护。
This saves time and makes the solution more robust and easier to maintain.
它所推崇的特殊编程风格，虽然方便，但同时也能创建意义模糊的代码，有副作用，且可能不易于维护。
The AD hoc style of programming that it encourages, while convenient, can create code that is cryptic, contains side effects, and may be difficult to maintain.
最终，我们相信一个高度集成的，优秀的且易于升级的系统架构的出现，可以让用户和系统管理员不再为如何维护自己的系统而伤透脑筋。
Finally, we believe that a fully integrated and feature-full upgrade mechanism should exist to allow end users and system operators of all walks of life to easily maintain their systems.
这种结构混凝土监测方法具有实时、主动、长期监测的特点，且成本不高，易于维护，实用性较强。
This method can realizes active, real-time, long-term monitoring and is noticeable for its characteristics of cheap, practical and great maintainability.
该系统具有广泛的适用性、良好的可扩展性和较高的智能性等优点，且易于操作和维护。
The system not only has wide applicability, outstanding expansibility, high intelligence, but also can be operated and maintained expediently.
该工艺运行费用低，且操作简单，易于维护，可为类似水质中药厂的污水处理提供参考。
The process features low cost of operation, simple operation and easy maintenance, which may provide experience in sewage treatment of similar Chinese medicine plants.
该工艺运行费用较低，且操作简单，易于维护，可为缫丝厂的废水处理提供参考。
The process featured low cost, simple operation and easy maintenance, which may provide experience in sewage treatment of similar silk-making plants.
鼓式制动比盘式制动的零件多，维护也更困难，但鼓式制动造价便宜，且易于与紧急制动机构配合。
Drum brakes have more parts than disc brakes and harder to service, but they are less expensive to manufacture, and they easily incorporate an emergency brake mechanism.
为复杂网络拓扑结构配置和维护这些固定配置规则会是困难、耗时、且易于出错的。
Configuring and maintaining these fixed configuration rules for complex network topologies can be difficult, time-consuming, and error-prone.
本发明的门极换流晶闸管易于与印刷电路板组装，且使得门控晶闸管与印刷电 路板组成的器件易于维护。
The gate commutated thyristor is easy to be assembled with the printed circuit board, and ensures that a device consisting of a gating thyristor and the printed circuit board is easy to maintain.
本发明的门极换流晶闸管易于与印刷电路板组装，且使得门控晶闸管与印刷电 路板组成的器件易于维护。
The gate commutated thyristor is easy to be assembled with the printed circuit board, and ensures that a device consisting of a gating thyristor and the printed circuit board is easy to maintain.
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