【多选题】高低压同杆架设,在低压带电线路上工作时,应先检查与()的距离,采取防止误碰带电高压设备的措施。在低压带电导线未采取()措施时,工作人员不得穿越。
【简答题】人民公社是建成社会主义和逐步向过渡的最好的组织形式。
【判断题】高低压同杆架设,在低压线路工作时,工作人员与最上层高压带电导线的垂直距离不得小于 0.7m。()
【单选题】The function of meta-analysis does not include
A.
Identify heterogeneity in effects among multiple studies
B.
Calculate sample size for future research
C.
Estimated size of bias
D.
Increase statistical power and precision to detect an effect
【多选题】上下压同杆架设在低压带电线路上工作时,必须注意()
C.
工作人员不得穿梭未采取绝缘措施的低压带电导线
【单选题】评价Meta分析有没有发表偏倚的一种最常用的图示法是( )
【单选题】In the Meta-analysis, the purpose of the heterogeneity test is
A.
Calculate the combined effect
B.
Analyze whether each independent study is heterogeneous
C.
Evaluate the stability of the combined effect volume under certain assumptions
D.
Increase the effectiveness of statistical tests