问题
单项选择题
采用瓦秒法测定电能表相对误差的0.01级检定装置的输出功率稳定度应不大于()。
A.0.00002
B.0.002
C.0.04
D.0.0004
答案
参考答案:A
采用瓦秒法测定电能表相对误差的0.01级检定装置的输出功率稳定度应不大于()。
A.0.00002
B.0.002
C.0.04
D.0.0004
参考答案:A
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Hello! I'm Chen Jie. I'm tall and thin. I like music. I have four friends, Zhang Peng, Wu Yifan, John and Sarah. Zhang Peng is tall and strong. He likes science. Wu Yifan is short and thin. He likes painting. John is short and strong. He likes sports. Sarah is tall and thin. She likes computer games.
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