- 推荐网络例句
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Irradiation method, irradiation intensity and dosimetry have always been important factors to be considered serio...
辐照方式，辐照强度和剂量一直是电磁场的生物学效应实验中需要认真考虑的重要因素。
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At the end of the First World War in 1918, E in ste in received worldwide praise for his scientific research.
在1918年第一次世界大战结束时，爱因斯坦由于他的科学研究受到全世界的广泛赞扬。
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A Foundation Model - the Graded Component Object Model of Product Family is offered on the analysis of knowledge characteristics of PFM. Then, the component object, the Conjunctional Hiberarchy Model of Product and the relationships among component objects are defined respectively. Whereafter, the rapid generating mechanism of the instances of component objects and product is introduced. Based on the theory of GCOM, an Enhanced Model - the Skeleton Model of Product Family is offered.
通过分析产品族模型蕴含知识特性，提出了一种具体的产品族基础模型表达——产品族元件分级对象模型，分别定义了各级元件对象、层次联接结构模型和元件对象关系，并探讨了产品族元件分级对象实例的生成与产品实例快速获取的机制。
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