This paper introduces three kinds of energy modifying technology, multi-control system, frequency conversion technology and digital scroll technology.
介绍了空调系统中的压缩机几种能量调节技术：多级控制系统、变频技术和数码涡旋技术。
Technology was one of the self-proclaimed pillars of Beijing's Games, and organizers put it on display during the opening ceremony, which featured a giant digital scroll.
科技奥运是北京奥运会宣传的几大理念之一，组织者在开幕式上展现了一幅巨大的数字画轴，践行了这一理念。
Technology was one of the self-proclaimed pillars of Beijing's Games, and organizers put it on display during the opening ceremony, which featured a giant digital scroll.
科技奥运是北京奥运会宣传的几大理念之一，组织者在开幕式上展现了一幅巨大的数字画轴，践行了这一理念。
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