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。
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.
而且广义朗肯土压力公式能够合理利用已有的工程经验和工程数据，为非饱和土力学的工程实用化提供了一条新的思路。
The formula can appropriately utilize existing engineering experience and data, which is a new way to application of the soils mechanics for unsaturated soils in engineering.
探讨了篦齿的临界特性，提出了新的能够准确计算两类篦齿临界压比的经验公式。
Finally, the new empirical formulas for calculating their critical pressure ratio were derived too.
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。
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。
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.
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