丈量项目时 , 选择模型质量属性 (model mass properties),单击“计较”按钮,在功效栏显示模型质量阐明功效,包罗曲轴的体积、曲面面积、密度和质量等数据,如图 1 所示。
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当系统的状况改变时,这些模型传递重要的系统特性,以预测系统质量和对具体属性的影响。
These models communicate key system characteristics to predict system qualities and the effect on specific properties when aspects of the system are changed.
模型被用在很多的方面:预期系统的质量,当系统的某些方面变化时推理特定的属性,和为各种涉众沟通关键的系统特征。
Models are used in many ways: to predict system qualities, reason about specific properties when aspects of the system are changed, and communicate key system characteristics to various stakeholders.
本文提出了质量评价的属性数学模型。
In this paper, attribute mathematical model for quality assessment is presented.
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