成员的完整列表，这些成员属于 eve::animation::MotionFeatureChannel,包括所有继承而来的类成员

axes	eve::animation::MotionFeatureChannel
bone	eve::animation::MotionFeatureChannel
characterSpaceVelocity	eve::animation::MotionFeatureChannel
curve	eve::animation::MotionFeatureChannel
headingAxis	eve::animation::MotionFeatureChannel
kind	eve::animation::MotionFeatureChannel
normalizationGroup	eve::animation::MotionFeatureChannel
normalizeVelocity	eve::animation::MotionFeatureChannel
origin	eve::animation::MotionFeatureChannel
query	eve::animation::MotionFeatureChannel
sampleTime	eve::animation::MotionFeatureChannel
source	eve::animation::MotionFeatureChannel
weight	eve::animation::MotionFeatureChannel