b: a B picture 第二流影片。 A B ...调: harmonize; suit well; fit in ...变: become different; change器: implement; utensil; wareab类调变器: class ab modulator参数调变器: parametric modulator测量调变器: measuring modulator磁光调变器: maganeto-optic modulators电光调变器: electro-optic modulators副调变器: submodulator光调变器: light modulator晶体调变器: crystal modulator其他调变器: other modulators其它调变器: other modulators色讯调变器: chrominance modulator声光调变器: acousto-optic modulators数位调变器: digital modulators相位调变器: phase modulator重调变器: remodulatorb类调制器: class b modulator阳极b类调制: anodebmodulation波导形调变器，行波形调变器: optical waveguide,travelling-wave modulators波导形调变器: optical waveguide travelling-wave modulators不平衡调变器: unbalanced modulator光弹性调变器: photoelastic modulators
