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.
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