环状网流量分配后即可得出各管段的计算流量,由此流量可进行()。
a、流量计算
b、总量估算
c、流量分配
d、管径确定
参考答案:D
踝关节SE序列T1 WI显示()
A.三角韧带位于关节外侧
B.跟腱止于跟骨后方
C.透明软骨为低信号
D.距舟关节在冠状位显示最好
E.距跟前后关节在冠状位显示最好
The price of product Z decreased from $ 2.50 per unit to 2.00 per unit. Since the price decreased, demand has gone up from 3 million units to 4 million units. Calculate the price elasticity of demand and determine if the demand is elastic or inelastic.Price elasticity of demand Elasticity()
A. -1.29 elastic
B. -2.00 inelastic
C. -1.29 inelastic