词汇	fire work permit
释义	fire work permit n.火票
随便看	phase operator phase opposition phase optimal trajectory phase optimization phase optimization combination method phase option circuit phase orbit phase order phase-order arrangement phase-order impedance phase order indicator phase-order indicator phase ordering of loop optimizations phase order setup phase oscillation phase oscillation frequency phase-oscillation frequency phase oscillations phaseout phase out phase-out phase, out- phase out into phase-out of small thermal generating unit phase-out production