为了提供这些服务，互联网的体系结构和传递服务所通过的商业模型两者或许都将改变。
To provide these services, both the architecture of the Internet and the business models through which services are delivered will probably have to change.
数据模型和XML表示之间的结构性区别可在绑定中处理，即使数据模型随着时间而改变，XML表示通常也可以得到保护。
Structural differences between the data model and the XML representation can be handled in the binding, so the XML representation can generally be preserved even as the data model changes over time.
科学家们经常利用经过特殊喂养或者基因工程改造的小鼠来获取与人类疾病相似的疾病模型，并通过这些模型来研究这些疾病的深层大脑结构的病理改变。
Scientists study many diseases of the deep brain using mouse models, mice that have been bred or genetically engineered to have diseases similar to human afflictions.
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