数据联合模式的大部分实现都比较强调一个（或数量很有限的）目标模型，以最有效地处理请求。
Most implementations of the data federation pattern have a relatively strong focus on one -- or a very limited number of -- target models in order to process requests most efficiently.
建模者可以将常用计算添加到模型中，使得设计人员更有效率，同时减少发送到数据库的查询数量。
Modellers can add commonly used calculations to the model to help authors be more productive while at the same time reducing the amount queries sent to the database.
但是，在一个长方法(long method)中分组数量众多的逻辑块可能会让人很快忘记该方法的总体意图，因为很少有人可以有效处理这样一个大的数据集。
Grouping numerous blocks of logic in one long method can very quickly cloud the overall intention of the method, however, because few people can effectively handle such a large dataset.
在视图框的右上角，可以看到一些基本的摘要信息，包括意图数量、有效数据流数量等。
In the upper right of the view pane, we see some high level summary information, including the number of intents and flows that are active.
现场总线是，提供一个有效的数字串行数据交换中的一个或多个控制器和现场设备的数量数字网络。
Field buses are digital networks that provide an efficient digital serial data exchange among one or more controllers and a number of field devices.
与土的流变实验数据相拟合结果表明，含有软体元件的模型能够更有效地刻画土的流变特性，可以减少参数数量。
The achieved results show that the proposed model with soft-matter element was more efficient in describing the rheological characteristics of soil and could reduce the number of parameters.
通过实验验证了方法的有效性，选择出的测试数据数量较少且有效。
The experimental results show that the method is effective and the selected test data are less but more effective.
该技术有效减少了所需实验动物的数量，也减小了因个体差异引起的误差，改进了数据点的质量。
This reduces the number of animals required for a given study and improves the data set as the temporal data allows for each animal to serve as its own internal control.
该技术有效减少了所需实验动物的数量，也减小了因个体差异引起的误差，改进了数据点的质量。
This reduces the number of animals required for a given study and improves the data set as the temporal data allows for each animal to serve as its own internal control.
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