参量: parameter; characteristic变换: vary; alternate; commutation ...参量变换器: parametric converter光参量变换: optical parametric conversion长频参量变换器: parametric up converter降频参量变换器: parametric down converter参量变化: parametric variation参量变频器: parametric converter; parametric frequency converter变量变换: change of variable; transformation of variable; variable tra formation; variable transformation测量变换器: measurement tra lator; measurement translator动量变换: momentum transfer度量变换: metric transformation能量变换: energy converion; energy conversion; energy evolution; energy transfer; energy transformation; power conversion能量变换器: energy converter同度量变换: isometric transformation张量变换: tensor transformation; transformation of tensor主分量变换: principal component transformation变量变换定理: change-of-variable theorem能量变换文摘: energy conversion abstracts能量变换系数: energy transformation coefficient能量变换效率: effciency of energy transfer热离能量变换: thermionic energy conversion热通量变换器: thermal flux transformer参量图像变换: parametric image conversion（电量输出）测量变换器: measuring transducer(with electrical output)
