A conductor USES signals and gestures to let the musicians know when to play carious parts of a composition.
乐队指挥使用信号和手势让音乐家们知道乐曲的各个部分何时演奏。
It is introduced in this paper the composition and installation techniques of conductor rails in the urban rail transit power supply system.
简要介绍了城市轨道交通供电系统中接触轨的组成及安装工艺方法。
Therefore, the PANI acetylene black composition is a credible alternative to hole conductor in ap plication of solid DSSC.
因此，聚苯胺乙炔黑复合电解质可以作 为有效的空穴导体材料，应用到固态染料敏化太阳能电池中。
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