Meanwhile, it is also observed that the regions of negative anomalous P-wave velocity are enlarged by steps as the central loading is increased.
同时还观测到，P波速度负异常区随中心压力增加逐步扩大。
The results showed that the CS in anomalous drainage was obviously wider than in normal and right heart overload(P<0.001).
结果表明：CS内径两引流组显著大于负荷组和正常组（P<0.01），是筛选前者的简便有效参数。
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