fixed set座机fixedadj.固定的；不变的；确定的动词fix的过去式和过去分词.fixed document holder system固定稿台装置fixed-interval correlation固定层间对比法fixed factory overhead costs[经] 固定间接费用fixed orientation edge trace定向边界跟踪Fixed-Wing Patrol Squadron固定翼巡逻机中队fixed daily measurement hour每天固定测量小时, 每周固定测量小时fixed connective tissue cell固定结缔组织细胞Fixed Operating Point Flight固定工作点飞行Fixed SMS Service and Market固网短信业务及其市场发展fixed-frequency oscillator固定频率振荡器