Down-regulated activity and absolute or relative absence of growth factors and their receptors in diabetic foot ulcer is the pathophysiologic basis of wound hard to heal.

溃疡创面局部生长因子及受体活性下降和数量的绝对或相对缺乏是其难以愈合的病理生理基础。

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In theory regulation rearranges the distribution of economic output, away from the newly regulated activity towards less regulated ones, but does not affect its overall volume.

理论上，规则会经济产出的分布进行重新排序，避开新规范活动，朝向那些较少的管制，但不会影响其总量。

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PDH activity is regulated by phosphorylation and dephosphorylation (3).

PDH的活性可以被磷酸化和去磷酸化调节(3)。

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This not only regulated activity in a tightly planned economy, but was also a vital link in the chain of social control.

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The Court today holds that our Constitution protects us from federal regulation under the Commerce Clause so long as we abstain from the regulated activity.

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Hiring a skilled foreign national is already a highly regulated activity.

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