生态系统的数学模型同样表明，多样性并不能保证生态系统的稳定性——事实上恰恰相反。
Mathematical models of ecosystems likewise suggest that diversity does not guarantee ecosystem stability—just the opposite, in fact.
第一个也是最主要的问题是系统性的，治疗的“医疗模型”被转手太多次了：没人对患者的治疗负责。
The first and foremost problem was a systemic one that has taken over the “medical model” of care in too many places: no one person is in charge of and accountable for the patient’s care.
在一个最终一致性的模型中，不是所有的系统组件都能立即访问到最精确的数据。
In an eventually consistent model, not all of the system components have immediate access to the most accurate data.
这就允许我们从一种业务观点来评价用例模型的完整性，因为每个系统用例必须支持一个或更多的业务用例。
This allows us to evaluate the completeness of the use-case model from a business perspective, as each system use case must support one or more business use cases.
软件应用程序必须满足不同的涉众需求，因此描述这些系统的模型也一定具有复杂性。
Software applications must satisfy a diverse set of stakeholder needs, and consequently, the models describing these systems must likewise be complex.
图1不包括任何持久性或者系统类，但是如果包括了，您将创建一个我们的模型视图，它没有显示这些类。
Figure 1 does not include any persistence or system classes, but if it did, you would want to create a view of our model that did not show them.
一个完整的与该架构相符的模型是对该理解的关键——并且对于减少风险及管理系统的复杂性是必要的。
A complete, consistent model of that architecture is the key to that understanding — and is essential to mitigating risk and managing the system's complexity.
还有助于生成数据迁移映射，以执行依赖性分析，而且还有助于优化目标系统数据模型。
It also helps in generation of data migration maps, to perform dependency analysis and also helps in optimization of target system data model.
除了支持最新的标准和编程模型以外，V7还包含系统管理、安装和安全性方面的重要改进。
In addition to support for the latest standards and programming models, V7 contains key improvements in the areas of systems management, installation, and security.
唯一的区别是，在保持系统高可用性、容错能力和伸缩性的同时，我们现在提供了一个丰富的SQL模型。
The only difference is we are now providing a rich SQL model while maintaining the high availability, fault tolerant and scale aspects of the system.
但一种像全球气候模拟系统那样，能够预测未来经济运行的各种可能性的模型可能会更加实际、有用。
But it might be more realistic and useful to employ a suite of such models, in the manner of global climate simulations, which project various possible futures.
J2ME技术在一个完整的应用程序运行时模型中定义了这种模块性和可伸缩性，在该模型中的四个软件层都构建在设备的主机操作系统上。
This modularity and scalability is defined by J2ME technology in a complete application runtime model, with four layers of software built upon the host operating system of the device.
您必需让大家认识到，到soa模型的任何转换都会涉及到固有的安全矛盾：系统的soa特征越明显，其安全性越差。
You must communicate that any conversion to an SOA model involves an inherent security paradox: the more SOA your systems are, the less secure they are.
对于既负责大型机、又负责小型系统的人而言，由于这两种系统在编程或维护模型方面缺乏共同点，因此这种可移植性就显得格外重要。
This is especially important for those with responsibilities that range over mainframes and smaller systems, which share so little else in their programming or maintenance models.
这些架构可以帮助我们理解怎样构建内容管理模型，身份，以及声誉系统，在鼓励约束性的同时，也鼓励意外性。
These frameworks can help us understand how to develop curation models, identity, and reputation systems, and how to encourage serendipity as well as engagement.
这种转化后的模型支持架构性的变更管理，这样对系统所做的重大性变更，还可以通过系统来传播，而且不会对业务造成较大的影响。
This gating model enables architectural change management in which even a foundational change to the system can be propagated through the system without having an uncontrolled effect on the business.
在为应用程序规划安全性模型时，必须处理好这两个元素以确保系统具有足够的安全性。
When planning the security model for your application, you must address both elements to make sure your system has a sufficient level of security.
不过，由于任何逻辑模型都无法枚举出所有可能性，一旦任何开发人员使用不同的方法定义了一个系统，则此类模型将无法使用。
However, since any logic models cannot enumerate all possibilities, such a model will fail once any developer defined a system using a different approach.
OTP系统通常采用客户机-服务器模型，在给定的时刻对于给定的用户，在客户端生成相同的一次性密码。
OTP systems are typically built on a client-server model, where at a given time, for a given user, the same one-time passwords are generated on the client side.
BI - ICS对于交替类型系统、处理机制以及一致性模型的扩展支持是可扩展的。
BI-ICS is extensible for extended support of alternate type systems, process mechanisms, and conformance models.
sam定义scsi系统模型、SCSI标准集的功能性分区，以及适用于所有scsi实现和实现标准的需求。
SAM defines the SCSI systems model, the functional partitioning of the SCSI standard set, and the requirements applicable to all SCSI implementations and implementation standards.
根据供应链管理系统基本六元素的区域性和流动性，可形成供应链管理系统矩阵分析模型，见图2。
The regionalities and liquidities of the six basic elements can form into the SCM matrix analytical model, as is illustrated in Figure 2.
利用系统用例实现和业务用例实现间的依赖性将业务模型与系统模型连接起来。
Link the Business Model to the System Model by means of dependencies between the System Use Case Realizations and the Business Use Case Realizations.
扩充了Equinox安全模型的认证和授权将增强分布式系统的安全性。
Authentication and Authorization extend the Equinox security model to allow for security in a distributed system.
除此之外，用以模拟每秒以十倍速度放电的神经键的模拟模型没有能够符合真实系统的全面复杂性。
In addition, simple models describing each synapse as firing about 10 times per second fail to capture the full complexity of the real system.
除此之外，用以模拟每秒以十倍速度放电的神经键的模拟模型没有能够符合真实系统的全面复杂性。
In addition, simple models describing each synapse as firing about 10 times per second fail to capture the full complexity of the real system.
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