电能表标准装置输出功率稳定度的标准偏差估计值，应不超过装置允许功率稳定度值的1/3。
参考答案：错
— I prefer to eat cakes that have cream on top.
— ______! They are delicious. [ ]
A. Good luck
B. Me, too
C. I hope so
D. You're kidding
工作环境中照明的优化设计。
