The infarction volumes of unifocal CI patients was associated with the serum cholesterol level (P<0.01).
单灶性 CI 患者的梗死体积与血清胆固醇水平相关（P <0.01）。
The S.& P. eventually fell well below the level where it stood before the Fed began cutting rates.
标普500指数最终大幅下跌至远低于美联储开始降息前的水平。
How do I find the right level of analysis? p.
如何找到正确的分析水平？
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