Contour modulation is a technique in which a phase-modulated signal waveform and amplifier output impedance work together to maintain higher efficiency over a sizable output power back-off.

轮廓调制结合了一种相位调制信号的波形和放大器的输出阻抗，可在某个较大型输出电源关闭后保持更高的效率。

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When laser light is bounced off the fibre, the reflected light is modulated in accordance with the electrical signals.

当激光从纤维上弹回后，反射的光会随着电子信号的改变而改变。

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As the resident psychiatrist at a center for mentally disturbed children, Tommy Lee Jones pulls off a keenly modulated change of pace.

NEWYORKER: House of Cards