成员的完整列表，这些成员属于 com.netease.lava.nertc.sdk.audio.NERtcDistanceRolloffModel,包括所有继承而来的类成员

getType()	com.netease.lava.nertc.sdk.audio.NERtcDistanceRolloffModel
kNERtcDistanceRolloffLinear	com.netease.lava.nertc.sdk.audio.NERtcDistanceRolloffModel
kNERtcDistanceRolloffLinearOnly	com.netease.lava.nertc.sdk.audio.NERtcDistanceRolloffModel
kNERtcDistanceRolloffLogarithmic	com.netease.lava.nertc.sdk.audio.NERtcDistanceRolloffModel
kNERtcDistanceRolloffNone	com.netease.lava.nertc.sdk.audio.NERtcDistanceRolloffModel
NERtcDistanceRolloffModel(int type) (定义于 com.netease.lava.nertc.sdk.audio.NERtcDistanceRolloffModel)	com.netease.lava.nertc.sdk.audio.NERtcDistanceRolloffModel