But every engineer, enthusiastically using mathematical models of the real world, knows the model is just that, the model.
但是每一位热衷于使用数学对现实世界建模的工程师都知道，模型只是模型。
You can use component models to provide abstraction of legacy services and to re-engineer existing legacy assets, especially when the component model supports language neutrality.
您可以使用组件模型来提供遗留服务的抽象和对现有遗留资产进行再组合，特别是在组件模型支持语言中立性时尤为有用。
And for all of the Mark I's advances, German engineer Konrad Zuse's Z3 model from 1941 May have preceded it as the world's first fully functional, programmable computer.
而就Mark I的进展来说，1941年，德国工程师Konrad Zuse的Z 3模型可能领先，因为Z 3是世界上第一个全功能的可编程计算机。
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