"八极"是个多义词，它可以指八极（中国武术）,八极（词语）。
研究了具有三分支结构的八极矩分子和低聚物。
The electronic structure, OPA and TPA properties were studied in detail.
它由液态金属离子源，源尖微调装置，离子透镜及静电八极偏转器等组成。
The gun is composed of the liquid metal ion source of Ga, the tip microadjusters' assembly, the ion lens, and the electrostatic octopole deflector.
在机器研究过程中观察到束流集体不稳定性可以被八极磁场产生的朗道阻尼很好地抑制。
It was observed in machine study that, Landau damping caused by the octupole field can suppress the beam collective instabilities.
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