对研究所需指标或数据进行测定或测量时产生的偏倚为()
A.易感性偏倚
B.诊断怀疑偏倚
C.暴露怀疑偏倚
D.Berksons偏倚
E.测量偏倚
参考答案:E
Though he doesn’t achieve his goals, he is not a failure. ____, he is remembered as a true hero.
A.In particular
B.On the contrary
C.Generally speaking
D.To be honest
不属于大型养路机械液压系统二级检查保养的项目为()。
A.补充储能器氮气
B.调整各液压回路压力
C.清洗回油滤清器