Statistical cost estimating techniques (based upon history), are called _____ estimates and are a _____ approach.
A . Definitive, bottom up.
B . Analogy, top down.
C . Parametric, bottom up.
D . Parametric, top down.
E . Analogy, bottom up.
第1题:
140 The three most common types of project cost estimates are:
A. Order of magnitude, parametric, and budget.
B. Parametric, definitive and top down.
C. Order of magnitude, definitive and bottom up.
D. Order of magnitude, budget and definitive.
E. Analogy, parametric and top down
第2题:
177 A _____ estimate prepared from layouts, sketches and flowsheets, should be accurate within (-10, +25%).
A. Parametric
B. Definitive.
C. Budget
D. Bottom up. E
. Top down
第3题:
166 In which of the following cost estimating techniques are statistics models used:
A. nonparametric cost estimating
B. parametric cost estimating
C. life cycle cost estimating
D. bottom-up estimating
E. All of the above
第4题:
59 A _____ estimate prepared from layouts, sketches and flowsheets, should be accurate within (-10, +25%).
A. Parametric
B. Definitive.
C. Budget
D. Bottom up.
E. Top down
第5题:
三个最常用的项目成本估算模式是( )
A.数学模拟order of magnitude参数法parametric及预算budget
B.参数法parametric确定的definitive及自上而下法top down
C.数学模拟order of magnitude确定的definitive及自下而上法bottom up
D.数学模拟order of magnitude预算budget及确定性的definitive
第6题:
栈(Stack)是限定仅在(18)进入插入或删除操作的线性表。对栈来说,表尾端称为(18);表头端称为(18)。
A.表头 栈顶(top),栈底(bottom)
B.表头,栈底(bottom)栈顶(top)
C.表尾,栈顶(top)栈底(bottom)
D.表尾,栈底(bottom)栈顶(top)
第7题:
A term applied to the bottom shell plating in a double-bottom ship is ______.
A.bottom floor
B.outer bottom
C.shear plating
D.tank top
第8题:
Frames to which the tank top and bottom shell are fastened are called ______.
A.intercostals
B.stringers
C.tank top supports
D.floors
第9题:
第10题:
阻焊层一般由阻焊剂构成,阻焊层包括()层。
第11题:
在VRP中,PQ的各队列的缺省长度为()。
第12题:
floors
intercostals
stringers
tank top supports
第13题:
168 Statistical cost estimating techniques (based upon history), are called _____ estimates and are a _____ approach.
A. Definitive, bottom up.
B. Analogy, top down.
C. Parametric, bottom up.
D. Parametric, top down.
E. Analogy, bottom up
第14题:
84 In which of the following cost estimating techniques are statistics models used:
A. nonparametric cost estimating
B. parametric cost estimating
C. life cycle cost estimating
D. bottom-up estimating
E. All of the above.
第15题:
50 Statistical cost estimating techniques (based upon history), are called _____ estimates and are a _____ approach.
A. Definitive, bottom up.
B. Analogy, top down.
C. Parametric, bottom up.
D. Parametric, top down.
E. Analogy, bottom up.
第16题:
19 Parametric cost estimating involves
A. using the WBS to do bottom up estimates
B. defining the perimeters of the life-cycle
C. calculating the individual estimates of work packages
D. using a statistical model to estimate costs
E. A and C
第17题:
A.the bottom-up model and the top-down model
B.the bottom-up model and the interactive model
C.the bottom-up model
D.the top-down model and the interactive model
第18题:
A.top-20middle-40normal-60bottom-80
B.top-20middle-20normal-20bottom-20
C.top-10middle-20normal-40bottom-80
D.top-80middle-60normal-40bottom-20
第19题:
Frames to which the tank top and bottom shell are fastened are called ______.
A.floors
B.intercostals
C.stringers
D.tank top supports
第20题:
第21题:
在HTML中,盒子模型中元素实际占位的高度应该为()。
第22题:
焊锡膏层是为了便于贴片元器件的安装。下面()属于焊锡膏层。
第23题:
bottom floor
outer bottom
shear plating
tank top