single mom单身母亲singleadj.单一的；单个的；特指某人或某物；单身的；单人的；单程的n.单程票；单曲；单人房间；单身者；<美>一元纸币；(网球)单打比赛；(板球)一分打；(棒球)一垒打v.挑选(一个)Single probe technique单探头法single-stage vehicle单级火箭single beater scutcher单打手成卷机single-coil filament单螺旋灯丝single-phase earthed单相接地single channel simplex单路单工制single mode attenuator单模衰减器single-point lifting单点起吊法single-sided copying单面复制single inductive shunt单线圈感应分流器

1. The effects of structure deformations of wheelset and track on driving torque applied to a single wheelset of a high speed locomotive were investigated in detail.
   从数值方面详细分析了轨道结构变形对高速机车单轮对牵引力矩的影响。