例句與造句

1. Whereas the former ANC was set to cancel out only low frequency boominess from the engine and exhaust, the MMC system, called Active Sound Control, was expanded in its range to cancel some higher frequency road and tire noise as well.
2. Unlike its predecessor ANC, Active Sound Control was now linked to throttle position and engine RPM to provide a quieter cockpit during normal cruising, yet allowed more of the new 3.7L engine's " muscular sound " to be heard during higher-RPM, higher-speed excursions.
3. It's difficult to find active sound control in a sentence. 用active sound control造句挺難的