# :-: 5.3 高级 - 内容识别比例缩放 ***** ```[video] src: >- http://sp.cqxymwlkjyxgs.com/58d95e95vodtranscq1256398144/d8109c105285890814319178345/v.f100800.mp4 poster: >- http://sp.cqxymwlkjyxgs.com/58d95e95vodtranscq1256398144/d8109c105285890814319178345/coverBySnapshot_10_0.jpg ```