freewheeling diodethresholdmove pinthe first 2D view symbolhysteresis blockPetri Net theoryHysteresis Current-controlled DC Motor thermal voltagesynchronize two-point hysteresis componentPI controller current and speed controlled DC Motorthe component 2D lookup table知道個大概意思，想知道更地道，準確的翻譯

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freewheeling diode續流二極管threshold 臨界值move pin 移動銷the first 2D view symbol 初步2D視圖hysteresis block 磁滯特性Petri Net theory皮特里網論Hysteresis Current-controlled DC Motor 磁滯電流控制器直流電機thermal voltage熱電壓synchronize two-point hysteresis component同步二點磁滯部件PI controller 電源輸入控制器current and speed controlled DC Motor 控速直流電機the component 2D lookup table 2D效果部件查詢表