Unverified75% confidenceTradeoffTime unknown
耐咬性与弹性存在天然矛盾：实心球比中空球更耐咬但弹跳轨迹更单调；追求捡球互动趣味应选中空或带异形结构的弹跳球而非纯实心
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75%
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Long-term
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Unverified弹性越强的空心薄壁球（弹跳高）越能激发追逐欲，但耐磨性差易被撕裂；实心厚壁球耐咬但弹性弱、抛接乐趣低82% similarUnverified球体稳固性与游戏刺激感冲突：球固定得越牢越不易丢失但滚动手感差、吸引力下降；可拨动幅度大的设计更有趣却更易被玩坏或抠出80% similarUnverified球越软手感越舒适、越不怕疼，但软球回弹和飞行轨迹与真实比赛球差异大，练久了动作定型后换标准球会不适应，需在软度和竞技真实感之间取舍78% similarUnverified实心橡胶球弹跳性能优于空心球，但重量大、砸到地板噪音大且不适合室内；空心TPR球弹跳随机性强更能激发追逐欲，但耐咬性显著下降77% similarUnverified耐咬性与弹跳性能相互制约：硬度越高越耐咬但形变回弹越差、不规则弹跳越弱；追求趣味弹跳需牺牲部分耐用度，重度啃咬犬应优先耐咬而非弹跳74% similar
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