下列哪个音频特效可以模拟回声的效果:() ["Channel Volume","Invert","Delay","Reverb"]
串联连接系统的可靠性()并联连接系统的可靠性。 ["大于","等于","小于","大于、等于"]
外护层标准中规定裸铠装用钢带应用()。 ["普通钢带","涂漆钢带","镀锌钢带","预涂钢带"]
钢带铠装聚乙烯套电缆的外护层型号是()。 ["23","22","02","03"]
在Premiere Pro中,作为Track Matte Key中的那个Matte层,需要放在哪个轨道上?() ["必须是抠像片断所在轨道的上层","必须是抠像片断所在的轨道的下层","可放置在任意一个视频轨道","必须是影片序列的最后一层"]
简述员工防火“三懂”、“三会”