The degree of dehydration and injury didn't show direct-ratio relationship.
组织脱水比与损伤程度呈正向非比例关系。
For system of single freedom-degree, the relationship of its static stiffness and square of natural frequency is direct ratio.
对单自由度系统，其静刚度与固有频率的平方有正比关系。
But this change relations and not become direct ratio, linear relationship.
但这种变化关系并不是成正比的、直线的关系。
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