价格指数的下降是市场因素的调整行为引起的。
The fall in the index is a technical revaluation of the market.
同时得出了流体行为指数与浓度之间的数学模型关系式。
And the mathematical model function of flow behavior index and concentration was established.
同时得出了流体行为指数与浓度之间的数学模型关系式。
And the mathematical model function of flow behavior index and concentration was established.
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