根据IEEE电能质量标准定义 委员会的定义,电能质量中的主要扰动有:· 电压跌落(Sags)(又称电压骤 降):电压有效值降至额定值的10%.90%,然后 又恢复至正常电压,持续时 间为0.5个周期至lmin。
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power sags 电压下陷 ; 尚有电压突降 ; 电压突降
Voltage Sags 电压骤降 ; 电压暂降 ; 电压凹陷
Runs and sags 流漆 ; 流挂
grid voltage sags 电网电压跌落
sags and crests [科技] 凹凸不平
He sags his pants 他穿着松弛的裤子
Sags & Brownouts 电压下陷
line sags 线路弧垂
V-I When something sags, it hangs down loosely or sinks downward in the middle. (中间部分) 下垂; 下陷
The shirt's cuffs won't sag and lose their shape after washing.
这件衬衫的袖口洗后不会松垂变形。
When private demand sags so dramatically, the public sector must step in to boost spending, and boldly enough to make a difference.
当私人需求急剧下滑,公共部门必须站出来扩大支出,并且需要足够大胆来有所影响。
Like the majority of Nigerians, the 25-year-old vender holds America in high regard even as its reputation sags elsewhere in the world.
就像大多数尼日利亚人一样,美国在这个25岁的商人心中的地位颇高,虽然美国在世界其他地方的名望不断下降。
"Hellfire and Herring" is a masterly work that enlivens the past with beauty and emotion, yet never sags into soft-focus sentimentality.
《地狱之火与鲱鱼》是一部相当出色的作品,它以优美的叙述及丰富的情感再现了过去的时光,同时又不流于那些毫无来由的多愁善感。
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