Through the regression analysis of the experimental data of different cement proportion, we get a regression formula of unconfined compression strength of vegetation concrete.
通过对不同水泥掺入比的试验数据的回归分析，得出了植被混凝土无侧限抗压强度的回归公式。
2
The radar range recursion filter formula, which is widely used in present radars, for linear frequency modulated pulse compression signal, has not been formed yet.
在现代雷达中，得到广泛应用的线性调频脉冲压缩信号的雷达距离数据递推器公式还未建立。
3
A new approximate formula for the large deflection problem of compression bar with two ends are simply supported is obtained, by the use of Ritz-Galerkin method.