平衡，均衡一种所有动作的影响都互相抵消，整个系统处于平稳的、均势的、不变的状态。
A condition in which all acting influences are canceled by others, resulting in a stable, balanced, or unchanging system.
平衡，均衡一种所有动作的影响都互相抵消，整个系统处于平稳的、均势的、不变的状态。
A condition in which all acting influences are canceled by others, resulting in a stable, balanced, or unchanging system.
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