多項(xiàng)選擇題

After Effect中借助以下哪些命令可實(shí)現(xiàn)對(duì)當(dāng)前時(shí)間點(diǎn)之后的影片做定幀效果？（）

A.Layer>Time>EnableTime Remapping
B.Animation>Keyframe Assistant〉Time-Reverse Keyframes
C.Layer>Time>Time Stretch
D.Composition>Save FilmAs>File

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