英汉词典 专业、权威的英语单词查询平台

switching switching AC voltage switching action switching activity switching algebra switching amplifier switching amplifiers switching angle switching applications switching arc switching area switching around switching arrangement switching blank switching boundary switching box switching box for air compression switching by gravitation switching by means of equal-length code switching cable switching capacity switching capacity filter switching center switching centre switching channel switching characteristic switching characteristics switching circuit switching circuitry switching circuits switching clamper switching code switching coefficient switching column technique switching command switching commission switching compound switching computer switching computer port switching configuration switching connection switching connector switching constant switching contact switching control switching control pilot switching control system switching core switching cost switching costs switching criteria switching criterion switching current switching current rating switching curve switching cycle switching DC voltage switching declaration switching delay switching device switching device interface switching device pnpn switching devices switching devices synthesis switching difference switching diode switching district switching dynamics switching element switching endoscope switching energy switching engine switching equation switching equipment switching equipment irregularity switching error switching error protection switching fabric switching facility switching fall time switching field switching field distribution switching flow rate switching force switching frequency switching function switching functions switching gate switching grade switching group switching house switching hub switching hysteresis switching impulse switching impulse current switching impulse protective level switching impulse sparkover voltage switching impulse test switching impulse voltage withstand test switching impulse wave switching in switching input switching installations switching interval switching isolator switching key switching kiosk switching knob switching lag switching lead switching lever switching lever stopper switching limit switching line switching list switching lobe switching locomotive switching logic switching loss switching magnet switching management system switching manipulation switching matrix Switching matrix. switching mechanism switching member switching mode switching mode microwave power amplifier switching mode power supply transformer switching mode voltage stabilizer switching modulator switching module switching network switching network algorithm switching node switching noise switching off switching off loss switching off transients switching office switching on switching on and off procedure switching on device switching on loss switching operation switching operation method switching operations Switching options switching order switching oscillator switching out switching over switching over of auxiliary power system switching over to heavy oil switching overvoltage switching packets switching pad switching path switching period switching phenomena switching pilot switching plant switching point switching pole switching position switching power switching power device switching power supplies switching power suppliew switching power supply switching power transistor switching pressure switching principle switching procedure switching process switching program switching programme switching pulse switching pulse generator switching push button switching push-button switching push-knob switching range switching rate switching reactor switching reflex switching regressions model switching regulator switching relay switching rise time switching rod switching room switching route switching schedule switching section switching selector switching selector repeater switching sequence switching sequence detector switching shunting switching signal switching site switching space switching speed switching spike switching stage switching starter switching station switching substation switching surface switching surge switching surge overvoltage switching surge test Switching Surges switching system switching system software switching table switching technique switching technology switching test switching theory switching threshold switching through relay switching tie switching time switching time constant switching time of bipolar transistor switching torque switching tower switching track switching track for inclined shaft switching transient switching transients switching transister switching transistor switching trunk switching tube switching tubes switching turnout switching unit switching value switching valve switching variable switching voltage switching wheel switching window switching yard switching, circuit switching, context switching, task switching-engine switching-impulse sparkover voltage switching-impulse test switching-in switching-off switching-off arc switching-off transient switching-on switching-on transient switching-operation-induced section switching-over switching-surge overvoltage switching-surge protective level switchingin switchingoff switchingon switchingover switchings switchingtechnique