At present, our country power quality national standard was chiefly stipulated five quotas: frequency, harmonic and voltage deviation, three-phase unbalance and the voltage fluctuation and flicker.
目前我国电能质量国家标准主要规定了五个指标：频率、谐波、电压偏差、三相不平衡及电压波动与闪变。
The effect of the applied stress magnitude on the average size of O phase is up to 106% and the size standard deviation of O phase increases considerably with applied stress increasing.
外加应力大小对O相析出平均尺寸的影响可达106%，并且O相析出的尺寸标准差随外加应力增加而显著增大。
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