【简答题】法兰支架组合体【题目】根据给定图纸,用UG绘制三维模型并回答问题。 【参数】A=88 B=67 C=11 D=11 【问题】 1.黄色区域面积是多少? 2.紫色区域面积是多少? 3.模型的体积是多少? 【注意】 1.图中没有注明的尺寸按照对称、均匀分布处理; 2.答案空格与问题顺序一一对应; 3.答案保留两位小数点,不要带单位。 【题图】
【单选题】管理外汇和黄金准备体现了中央银行的( )职能。
【判断题】男性乳头位于锁骨中线与第4肋间隙相交处,女性乳头位置变化大。
【单选题】管理外汇和黄金准备体现了中央银行的()职能。 [单选题] *
【单选题】管理外汇和黄金准备体现了中央银行的( )职能
【单选题】The annual worth of a permanent investment can be determined from its capitalized cost by________________.
A.
Using the A/P factor for a large n value
【单选题】管理外汇和黄金准备体现了中央银行的( )职能。
【单选题】When comparing different-life alternatives by the annual worth method, the annual worth calculated using their LCM of lives will be the same as that calculated over one________________.
A.
Two life cycles of each one
【判断题】The equivalent annual worth of unequal-life alternatives can be determined by first calculating their present worth for one life cycle and then multiplying that value by the A/P factor for their LCM.