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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Looking back at Config.groovy, you notice that logging output for the org.hibernate package is set to off.

再回过头看看Config . groovy，您会发现or g . hibernate包的登录输出被设置为off。

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To work off inventories, builders will have to cut back more, dragging output growth down for longer.

ECONOMIST: America's housing market