其设计原则是尽可能地保持电场的纵向分布和四极截止频率保持不变。

The designing principle is that the E-field longitudinal distribution and the local quadrupole cut-off frequency should be kept as constant as possible.

youdao

其设计原则是尽可能地保持电场的纵向分布和四极截止频率保持不变。

The designing principle is that the E-field longitudinal distribution and the local quadrupole cut-off frequency should be kept as constant as possible.

youdao