单项选择题

属于主体功能区划分主要方法的是( )。

A.分层划区法
B.指数评价法
C.主导因素法
D.判别评价法

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多项选择题

In recent years, with the continuous improvement of engineering design and scientific research requirements and the rapid development of computer computing capability, numerical mechanical analysis has become a conventional means to solve complex engineering analysis problems. Its main functions are shown in the following aspects （）.A.To study the internal mechanics mechanism of engineering problemsB.Increased engineering and product reliabilityC.Identify potential problems during the engineering and product design phasesD.Increased engineering and product costs

判断题

凡是来源于间叶组织,包括纤维组织、脂肪、肌肉、血管、骨、软骨、淋巴造血组织以及滑膜组织等的良性肿瘤统称为肉瘤。( ) 正确错误

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