bunching

1.runners bunching up at the starting line.

起跑线上聚在一起的赛跑者

2.Abstract: A two-gap drift tube buncher and a one-gap grid buncher with linear bunching waveform are used on the SFC axial injection line.

文摘:SFC轴向注入线采用了一个双间隙移管式聚一个单间隙栅网型聚，分别采用三角波锯齿波的聚波形。

3.A two-gap drift tube buncher and a one-gap grid buncher with linear bunching waveform are used on the SFC axial injection line.

SFC轴向注入线采用了一个双间隙移管式聚一个单间隙栅网型聚，分别采用三角波锯齿波的聚波形。