Removes the keyframe at index and inserts key.

移除索引处的关键帧并插入键。

Blend between the keyframe and motion path animations.

混合关键帧动画和移动路径动画.

Keyframe the aircraft so it rises vertically above the ground plane.

设置飞机能够从地面向上升起的关键帧.

Bias affects the overshoot or undershoot of the motion through the keyframe.

偏见影响过头或欠该议案通过关键帧.

The computer calculates the inbetweens values based on a spline curve connecting the keyframe values.

然后计算机基于样条曲线计算出连接关键帧数值的中间画的数值.