Zeroual泽鲁阿勒zeron.零；零度；最低点；完全没有；无足轻重的人或物adj.零的；无价值的；零视度的v.把 ... 调零；瞄准；集中注意；迫近zero point position零点位置zero-line section零线截面zero-time holding零保温zero phase sequence零相序zero bias stability零偏稳定性zero span extension零挡伸长zero-less circuit无损耗电路zero-value attack零值攻击zero ohm adjustment零欧姆调整zero-compensation[电] 零补偿