backfinn.后脊(夹层;轧件舌尖;裂缝)
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
backing modernism后现代主义
back bias voltage反向偏压
backstep sequence分段后向法
backing substrate背衬基片
back gate voltage背栅电压
back an invention支持发明
backing condenser前级冷凝器
back-to-frontadj.前后颠倒的
back to back test背对背测试
backing of veneer贴面板衬背