Unverified75% confidenceTradeoffTime unknown
心跳真实度越高（带血流脉动感、变频节律）通常电子模块越大越重，玩具整体偏硬影响依偎感；追求安抚的宠物更看重柔软外层和恒定节律，不必追求高拟真变频
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75%
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Long-term
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