Other makers of four-cylinder cars have either ignored the problem or adopted cheaper solutions—like heavier flywheels and more padded engine mounts to help dampen the secondary vibrations.
其他的四缸引擎汽车制造商要么忽略了这一次生振动问题,要么采取了更经济的解决方法——比如安装更重的飞轮和更厚的引擎来抑制次生振动。
In recent years, the increasing importance of tourism has led many scholars and policy-makers to explore tourism as an engine of growth.
近年来,旅游业的重要性日益增加,许多学者和政策制定者都将旅游业作为经济增长的引擎。
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