The present paper gives a new empirical formula for compute the strength of inorganic Oxy -acid.
本文提出了一个计算无机含氧酸强度的新的经验式。
The factors on the turbulent entrance length were analysed, based on the variable Recr, a new empirical formula was developed for the turbulent entrance length in a pipe flow.
详细分析了管流湍流人口长度的影响因素，提出以临界雷诺数为基础变量的新湍流入口长度经验公式。
In practical work, new sample data is often obtained continually, so these new data can be joined the empirical equation of regression by using recursive formula, and form a dynamic forecast system.
在实际工作中，往往会不断得到新样品数据，可利用递推公式不断地把新信息加入到经验回归方程中去，以构成一个动态的预测系统。
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