There have always been slight oscillations in world temperature.
全球气温一直在轻微地波动。
But no electronic systems exist that can directly count these oscillations.
但是，目前没有哪个电子系统可以对如此高的振动频率计数。
Using an energy function method, a control strategy for damping of Angle oscillations is derived.
运用能量函数法，推导出一个可以抑制功角振荡的控制策略。
The large dimension, power system's structure and special working status will cause inter-area oscillations.
现代电力系统规模大，电网结构和特殊运行状况会导致系统内存在区域间振荡现象。
In large interconnected power system, there have been spontaneous system oscillations at very low frequencies.
在大型电力系统中存在有自生的甚低频系统振荡。
In large interconnected power system, there have been spontaneous system oscillations at very low frequencies.
在大型电力系统中存在有自生的甚低频系统振荡。
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