计算公式

The article provides the C language programming of the calculate formula and formula paragraph in the form of Java language to set up decision tree.

论文同时给出了ID3计算公式的C语言编程和实现决策树的Java程序段。

The resistivity was calculated following the equation ρ=PA/L, where ρ is the resistivity in kΩ.cm, R the electrical resistance in kΩ, A the latten area in cm2, and L the distance between electrodes in cm.

电阻率的计算公式后，ρ=尼龙/ L，其中ρ是在kΩ。cm电阻率，研究在kΩ的电阻，一个平方厘米的黄铜薄片地区，和L电极之间厘米的距离。

According to rigid motion theory and composition law of vectors, the relative position and orientation errors of mating surfaces of mating parts were computed.

基於刚体运动学原理，研究了装配工夹具的姿态偏差对零件配合面位置偏差的影响，推导了配合件和基础件相应配合面的位置和姿态偏差的计算公式，建立了机器人装配系统零件配合过程的误差分析模型。

The calculating formula of parabola and the length of ellipse arc can be found in the old handbook of mathematics, but it is inconvenient to be used in practice, especially, the accurate value is too difficult to get to.

关于抛物线和椭圆弧长的计算公式在数学手册和有关用表中早就可见。但实际上用起来很麻烦，其精确值也较难达到。

This paper is the discussing about the aperture -coefficients of the Zoom Lens, the formula for the calculating is: F=f/d where.

该论文是探讨变焦镜头的光圈系数，镜头的光圈系数的计算公式：F=f/D(其中：F为光圈系数，f 为镜头焦距，D为光圈开口直径)。

In order to study the function of line surge arrester at line lightning protection equivalent circuit of line surge operation had been built considering conditions of straight lightning strike on tower top and round strike to conductor .

为了研究线路避雷器在防雷中的作用，根据雷电直击杆塔顶部及绕击导线两种情况，建立线路避雷器动作时的等值电路，推导出考虑残压影响的线路避雷器对雷电流的分流计算公式。

In this paper the progress in analysis on slope stability by limit equilibrium and finite element methods was introduced.

本文介绍近年在用极限平衡法与有限单元法，分析边坡稳定性方面的一些进展，在基于极限平衡的解析法上，我们导出了多阶斜坡的稳定安全系数与滑裂面角度的计算公式。

For obtaining a formula for the local traveltime computation, we invoke the Fermat principle and a condition for limiting the position of the incident point.

为了得到局部走时计算公式，利用费马原理和关于入射点位置的限定条件。

Cost is based on size of the frame lineal metres with a costing formula

成本为基础的框架（直系米大小与成本计算公式

Systemic studies environment temperature how to influence construction control, finds out linear regularity and function formula of the arch rib, selects optimal closure time, then fully meets requirements of closure precision and linear. By testing a lot of data on temperature and strain and adopting least squares collocation, this dissertation deduces the strain calculate formula that is amended by joining temperature factor, then improves accuracy of stresses testing data.

系统地研究外界温度变化对施工监控的影响，找出了拱肋变化的线性规律和函数式，选择出最佳合龙时机，保证了拱肋的合龙精度和线形要求；测试了大量温度与应力对应关系的实验数据，采用最小二乘拟合推估法，推导出温度修正后的应变计算公式，从而提高了应力测试数据的准确性。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。