1在电脑中打开pr cc 2018软件。2打开已有视频项目。3点击项目窗口的双箭头图标。点击“效果”调出效果控件。4在音频轨道上选择需要过渡的时间节点。5双击“音频过渡”,然后双击“交叉淡化”。6找到“指数淡化”,用鼠标拖动“指数淡化”到音频频道所选的时间点上。“指数淡化”音频过渡效果就完成了。end
i am writing to give you aome adv**e about your problem of studyingaccording to your learning parten,i think you h**en't a efficient studying habit.for instance ,in class ,you just don't conce...