求翻译：据此我们推测：在高浓度时，低亲和力的受体亚型起作用表现出抑制；低浓度时，高亲和力的受体亚型起作用表现出促进；是什么意思？

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On this basis, we estimate that in high-density, low-affinity for the receptor subtypes played a role in the performance constraints; low-density, high-affinity receptor subtypes showed a promoting role;

According to the above we extrapolated that,When high potency, the low affinity acceptor hypotype has an effect displays the suppression; When low concentration, the high affinity acceptor hypotype has an effect displays the promotion;

Accordingly, we speculate: when at high concentrations, low-affinity receptor subtypes to work showed inhibition; low concentrations, high affinity receptor subtypes to work show promotion;