记住，这些近似公式是线性近似。
Remember, these approximation formulas, they are linear approximations.
它方便我们记住近似公式。
当然，我们已经见到了一些别的近似公式。
Well, of course, we've seen other approximation formulas and so on.
好了，这样我就，向你们解释了近似公式。
OK, so this one explains to you what's going on in terms of approximation formulas.
求梯度和近似公式。
得到了各种情况下矩形板屈曲系数的近似公式。
The regression formulae were obtained to determine elastic buckling coefficients of the forementioned rectangular plates.
最后给出了在全频率范围适用的声阻率近似公式。
Finally, an approximating formula which is applicable for the whole frequency range is given.
窄缝的声阻抗严格公式以及低频近似公式都存在。
The exact formulae of the acoustical impedance of a narrow slit and its low-frequency approximation are available.
根据数值计算结果，提出一个计算束半径的近似公式。
According to the results of numerical calculation, the proximate formula of estimating radius of the beam was developed.
利用泰勒级数导出了阿基米德齿轮滚刀造形误差的近似公式。
This article USES Taylor Progression to figure out the approximate formula of the forming errors of Archimedes gear hobs.
计算公式简单、明了，且可得到任意价误差的微扰近似公式。
The formulae for the calculation are very simple and can be used for finding errors of any order.
分析表明，用近似公式来替代统计表格，可基本满足计算的要求。
It shows that using the approximation formulae to replace the statistical tables can essentially meet the calculation needs.
最后还给出了按其“相当的正圆锥壳”计算临界压力的近似公式。
In last, the approximate formulas of computing buckling pressure according to its "equivalent cylindrical shell" is also given.
目前所见到的圆柱蜗杆蜗轮分度圆弦齿厚计算公式均为近似公式。
There is only approximate way to work out the normal chordal tooth thickness of worm and wormwheel at present.
此近似公式和温度迭代法组成了主动式红外空间扫描的近似反演。
The inversion of the active infrared scanning equations is formed by combining the concentration formulae and the temperature iteration.
给出了年产量预测公式及瞬时产量与年产量相互换算的近似公式。
The prediction formula of yearly production and the approximation formula for reduction between the instantaneous production and yearly production are also presented.
进一步提出临界界面电荷面密度概念，给出其工程化应用的近似公式。
Furthermore, a concept of critic density of interface charges is proposed and an approximate formula for engineering application is given.
采用正态分布积分曲线的近似公式计算概率格纸的坐标，并在屏幕绘图。
Coordinates of a normal probability paper are calculated with a approximate formula of normal distribution integral curve and drawn on screen.
结论周向应力的近似公式及其绝对误差的公式简单易行，便于临床应用。
Conclusion the approximate formula of circumferential stress and the absolute error is accepted, which is easy for the application.
本文给出了若干近似公式，以分析非线性回归模型的最小二乘估计的残差。
Several approximate formulas are given for residual analysis of the least square estimator in nonlinear regression model.
计算了平面矩形螺旋线圈的电感值，结果与近似公式计算得出的电感值吻合。
The inductance of the rectangular plan spiral coil is calculated. The calculated results are in accordance with the results calculated by approximate formula.
采用瑞利法，导出了计算浅平基桥墩、桩基桥墩及沉井基础桥墩基频的近似公式。
The approximate formulas for the natural frequency of bridge piers with shallow foundation, pile foundation and sunk shaft foundation were derived by the Rayleigh Method.
文中还对锐聚焦系统给出了最佳归一化离焦量的表达式和相应的ETF近似公式。
For sharp-focusing system, the expressions for the position of optimum image plane and its corresponding ETF are also given.
本文用数论方法推导出一个计算旋转体体积的近似公式，并给出该近似公式的误差估计。
An approximate expression of the volume of body of rotation together with its error estimation is derived on the basis of theory of numbers.
本文用极坐标法放样，讨论了线路曲线中任一点坐标计算公式及其近似公式的误差大小。
Using polar coordinate system to set out, the coordinate computing formula and the error of its approximate formula are discussed of any point in line.
从而给出了用爆速和多方指数等两个炸药示性参量表出的估算飞片运动的良好近似公式。
Thus an analytic formula with two parameters of high explosive (i. e. detonation velocity and polytropic index) for estimation of the velocity of flying plate is established.
本文依据积分中值定理给出了适宜于实验计算的积分平均值的近似公式，并举例加以说明。
This paper gives some approximate formulas of the integral average value for experimental calculation on the basis of the integral mean law. Examples are given for explanation.
基于多径干扰、多址干扰和信道噪声的机理分析，推导了计算平均差错概率的有效近似公式。
An efficient approximation for expressions of the average error probability are developed based on considering the effects of multipath interference, multiple access interference and channel noise.
基于多径干扰、多址干扰和信道噪声的机理分析，推导了计算平均差错概率的有效近似公式。
An efficient approximation for expressions of the average error probability are developed based on considering the effects of multipath interference, multiple access interference and channel noise.
应用推荐