video insertion
视频插入
以上为机器翻译结果，长、整句建议使用 人工翻译 。
Video superimposing is widely used in DTV implement, which includes both TV logo insertion and caption adding.
在实际的数字电视技术应用中，以图文字幕叠加的应用最为常见。
youdao
Powerful video editing is possible with timeline editing, transition effects, trimming, text insert, BGM insertion and various decoration effects.
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