Technical management approval (at one or more levels) might also need to take place in the United States.

技术性管理批准（至少在一个层次上）可能也需要在美国发生。

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Identify the levels of approval required.

识别所需的审批层次。

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Parkinson's clinical trials historically have had low participation levels, which delays the approval of new therapies.

帕金森临床试验的参与程度曾经达到历史上的低点，这推迟了新治疗方法的批准。

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They will, however, pay local taxes and have won approval at some levels of government.

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You normally have to navigate your way through different levels of approval and more people to satisfy.

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His political ambitions recently received a boost from a Los Angeles Times poll that showed his approval ratings at record levels.

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