backman辅助工
backn.后面;背脊;靠背;后背;后卫vt.支持;后退adv.向后地adj.向后的;后面的;偏远的;过时的;积欠的
Back to Back Ionization Chamber背对背电离室
back-Compton scattering laser逆康普顿散射激光器
back-scatter electron imaging反散射式电子显像
Backorder Problem Working Group缺件待发货单问题处理小组
back and leg muscle dynamometer背及腿部肌力计
back - pressure steam turbine背压式汽轮机
back-to-the-wall election背水一战的选举; 难以获胜的危险选举
back-scattered radiation dose反向散射辐射剂量
back propagating neural network反向传播神经网络
back-type life support system背包生命保护系统