夸克不仅带有重子数、电荷，而且也带有轻子荷。
The quarks have not only baryon number and charge but also lepton charge.
本文应用加权余量法中的子域法和配点法，求出了均匀圆板在径向和横向均布荷裁作用下的极限荷载的近似解。
An approximate solution on ultimate load of a circular plate under radial and lateral loads is derived from equations by subdomain Weighted Residual Method (WRM) and point by point WRM.
本文分别建立了玻色子和费米子两种情况的SU_3电荷、超荷相干态。同时提出了带电费米子相干态。
We propose a SU_3 charged, hypercharged Coherent state for bosons and fermions, and a coherent state for charged fermions is also constructed.
我们把轻子数推广为轻子荷。
证明了只有轻子荷才是严格守恒的，各代轻子数分别守恒只能近似成立。
It is proved that only lepton charge is strictly conserved and the individual conservation of the lepton number of every generation of leptons hold only approximately.
所述第一滤质器级布置成用于仅传输具有一子范围的质荷比的离子，该子范围包括所选的质荷比。
The first mass filter stage transmits only ions having a sub-range of mass-to-charge ratios including a selected mass-to-charge ratio.
所述第一滤质器级布置成用于仅传输具有一子范围的质荷比的离子，该子范围包括所选的质荷比。
The first mass filter stage transmits only ions having a sub-range of mass-to-charge ratios including a selected mass-to-charge ratio.
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