A high removal rate of surface impurities by ioncluster bombardment has been confirmed in connection with low damage effects.
已经证实气体团束轰击对表面沾污具有很高的清除率，同时却引起较低的损伤。
2
The isotopic effect suggests another important property, ia addition to the magic numbers, of mass spectra of the sputtered ioncluster.
这是溅射离子簇质谱中继“幻数”结构的另一个重要性质。
3
Remarkably, the ion tail easily stretches past background star cluster NGC 1245 (upper left) in the constellation Perseus, about 1.5 degrees from the comet's lovely greenish head or coma.