ladder diagram梯形圖lag-lead compensation滯后超前補償Lagrange duality拉格朗日對偶性Laplace transform拉普拉斯變換large scale system大系統lateral inhibition network側抑制網絡 least cost input最小成本投入least squares criterion最小二乘準則level switch物位開關 libration damping天平動阻尼limit cycle極限環linearization technique線性化方法linear motion electric drive直線運動電氣傳動linear motion valve直行程閥linear programming線性規劃LQR (linear quadratic regulator problem)線性二次調節器問題load cell稱重傳感器local asymptotic stability局部漸近穩定性local optimum局部最優log magnitude-phase diagram對數幅相圖

　　long term memory長期記憶lumped parameter model集總參數模型Lyapunov theorem of asymptotic stability李雅普諾夫漸近穩定性定理macro-economic system宏觀經濟系統magnetic dumping磁卸載magnetoelastic weighing cell磁致彈性稱重傳感器magnitude-frequency characteristic幅頻特性magnitude margin幅值裕度magnitude scale factor幅值比例尺manipulator機械手man-machine coordination人機協調manual station手動操作器MAP (manufacturing automation protocol)制造自動化協議marginal effectiveness邊際效益Mason''s gain formula梅森增益公式 master station主站matching criterion匹配準則maximum likelihood estimation最大似然估計

　　maximum overshoot最大超調量maximum principle極大值原理mean-square error criterion均方誤差準則mechanism model機理模型meta-knowledge元知識metallurgical automation冶金自動化minimal realization最小實現minimum phase system最小相位系統minimum variance estimation最小方差估計minor loop副回路missile-target relative movement simulator彈體-目標相對運動仿真器modal aggregation模態集結modal transformation模態變換MB (model base)模型庫model confidence模型置信度model fidelity模型逼真度 model reference adaptive control system模型參考適應控制系統model verification模型驗證 modularization模塊化MEC (most economic control)最經濟控制motion space可動空間MTBF (mean time between failures)平均故障間隔時間MTTF (mean time to failures)平均無故障時間multi-attributive utility function多屬性效用函數multicriteria多重判據multilevel hierarchical structure多級遞階結構multiloop control多回路控制multi-objective decision多目標決策multistate logic多態邏輯multistratum hierarchical control多段遞階控制multivariable control system多變量控制系統myoelectric control肌電控制