在定义安全模型和模式时，需要考虑两个方面。

In defining security models and patterns there are two facets that need to be considered.

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UDDI提供了一种编程模型和模式，它定义与注册中心通信的规则。

UDDI provides a programming model and schema, which define the rules for communicating with the registry.

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本文阐述了几种神经网络模型和模式两分法中感知算法的一种光学执行过程。

Neural network models and an optical implementation of the Perception algorithm for pattern dichotomy are described.

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So you recognize patterns and then develop a model, and most desirably a quantitative model A quantitative model that explains the observations, obviously.But what Mendeleev did was he came up with a model that not only explained what we observed.

所以你们得到这些模式，发展成一个模型，和最令人向往的定量模型,一个定量模型明显地解释所有的观察结果，但是门捷列夫做的是,他提出的模型不仅解释了,我们观察到的东西。

麻省理工公开课 - 固态化学导论课程节选