【简答题】什么是测量的信度?影响测量信度的主要因素有哪些?
【单选题】正面光是由相机方向投射的光,又称中央光或()。
【简答题】A career in the Army has both advantages and disadvantages. The return to the civilian life from the military also has advantages and disadvantages.
【单选题】Both internal rate of return and opportunity cost of capital appear as discount rates in the NPV formula, and ( ).
A.
If OCOC is higher than IRR, NPV will be a positive number
B.
If OCOC is lower than IRR, NPV will be zero.
C.
If IRR is lower than OCOC, NPV will be a negative number
D.
If IRR is higher than OCOC, NPV will be zero
【判断题】单筋截面梁复核中若 ξ > ξ b ,说明梁发生少筋破坏 。
【简答题】什么是测验的信度?影响信度的主要因素有哪些?