When determining empirical formula with test method, estimation value of estimated parameter in regression equation which is obtained with least square method always is a long number.
用实验方法确定经验公式时，回归方程中用最小二乘方法求得的待估参数的估计值往往是一个很长的数。
The dual-frequency carrier phase observation equation is built and ionosphere-free predigested, the estimate formula of zenith wet delay is deduced with least square method.
建立了双频载波相位观测模型，并将其进行无电离层延迟化简，用最小二乘原理推导了天顶湿延迟的估值公式。
Solve the daily problems to further grasp the formula of area and perimeter of rectangle and square.
在解决生活中实际问题的过程中，进一步掌握长方形和正方形的周长、面积及相关问题的计算方法。
Studying the properties of square residues, and giving a mean value formula of the divisor function for square residue sequences.
研究了平方剩余数的性质，给出了平方剩余数对于除数函数的均值公式。
By using of this formula, the accurate mean and mean square responses of a linear or an equivalent linearized nonlinear vibration problem can be obtained.
应用该公式可以求出线性和等价线性化的非线性振动系统的精确稳态均值和均方响应。
The extremal formula of binary quadratic functions is studied by using method of undetermined coefficients, substitution method and method of completing the square.
用特定系数法、换元法、配方法探求二元二次函数的极值公式。
The extended uncertainty is obtained by using the statistical simulation, instead of the formula of combination of square root.
不使用方和根公式，采用计算机模拟统计方法，求得扩展不确定度。
The energy and the elliptical orbit of the electron in hydrogen-like atom are derived from formula inverse square attraction and Sommerfeld's quantized conditions.
利用平方反比引力给出的关系式和索末菲量子化条件推导出类氢原子的椭圆轨道和能量。
Using the virtual work principle, this paper proved the reciprocal theorem of work of thin plates with small deflections, and obtained the formula of the natural frequency of square plates.
从虚功原理出发，证明了薄板小挠度弯曲问题的功的互等定理，并由此推出了求解矩形薄板自然频率的公式。
In ancient Babylonian mathematics, the expression of volume formula for the frustum of a square pyramid is much more complicated than its modern form.
在古巴比伦数学中，正四棱台体积公式的表现形式和现代形式相比十分复杂。
The paper presented the theory of sine-wave and square-wave modulated high-voltage amplifier and deduced the formula for calculating its efficiency.
介绍了基于正弦波和方波调制的高压放大器的不同工作原理，并对其出力系数进行了推导。
This paper gives out'a new calculating formula, based on analysing the root mean square value formula of vibration acceptation of crane cab which is proposed by Russian M.
教授提出的驾驶室振动加速度均方根值计算公式的基础上，给出了新的计算公式。
This paper presents a direct formula for calculating the critical depth of trapezoidal canal with an equivalent square coefficient method.
应用等面积系数法提出了一种梯形渠道临界水深的直接计算式。
Making use of the points measured on the drum helical curve of concrete-mixer truck, the helical Angle formula of the helical curve is obtained by means of least square method.
利用测得的混凝土搅拌车拌桶螺旋线上的一组离散点，通过最小二乘法拟合出了求解拌桶螺旋线螺旋角的公式。
There are area of factory building more than 15000 square meters now, have 12 production lines of adopting Japan's advanced technology, domestic and unique factory formula .
15000多平方米，拥有12条采用日本先进技术的生产线，国内独一无二的生产配方。
The paper introduces two methods of calculating constant and coefficient of Numbers related formula; graphical method, least square method.
介绍了准数关联式中常数的两种求法：图解法、最小二乘法。
The formula of mean square displacements of atoms in one dimensional monatomic nanoparticles is deduced by means of the theory of Greens function.
数值计算结果表明，在高温近似下，所有原子的均方位移与温度成正比，纳米晶体颗粒内部原子的均方位移小于表面原子的均方位移。
On the basis of correlation analysis of the experiment data, it uses graphic method, average law, least square method to obtain the experience formula of the experiment.
在对实验数据进行相关性分析的基础上，运用图解法、平均值法、最小二乘法对处理后的数据进行曲线拟合，获取实验的经验公式。
Using the least square method bring forward the formula of movement current that quality of groundwater, and predicate the diversification current of sulfate.
利用最小二乘法原理，建立了水质变化趋势预测模型，对硫酸盐浓度的变化趋势进行了回归分析。
Using the least square method bring forward the formula of movement current that quality of groundwater, and predicate the diversification current of sulfate.
利用最小二乘法原理，建立了水质变化趋势预测模型，对硫酸盐浓度的变化趋势进行了回归分析。
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