For various flow patterns, the pressure evolution has the same tendency.

气体流量突变后，不同流型下其压力变化趋势相同。

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D a tendency toward high blood pressure may be a hereditary factor.

一种趋势认为高血压可能是家族遗传而来的。

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D a tendency toward high blood pressure may be a hereditary factor.

一种趋势认为高血压可能是家族遗传而来的。

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