作者想推导简短的公式，对梯形、矩形和圆形断面采用通用的程序，以得到准确的结果。
The authors want to deduce a brief formulation, and use all-purpose program to get exact result for echelon, rectangle and rotundity cross section.
文章推导较简捷的公式，对梯形、矩形和圆形断面，采用通用的计算程序，以期达到准确的计算结果。
In this article, the authors want to deduce a brief formulation, and use all - purpose program to get exact result for echelon, rectangle and rotundity cross section.
用完全初等的方法给出了梯形电阻网络等效电阻的通项公式，并对相关问题进行了讨论。
The general formula of the equivalent resistance of ladder type network are achieved with elementary method, and some relevant problems are discussed.
对用宽度变化的镜子压制椭圆柱面和抛物柱面的方法进行了系统的讨论，给出了梯形镜的宽度变化公式。
The bending methods for elliptic and parabolic figure with variable-width mirror were discussed and the formula of variable-width for ladder-shaped mirrors was given.
该文给出了一些数值求积公式的渐近性质，这些公式包括求积分的矩形法则、梯形法则和抛物线法则。
This paper gives asymptotic properties of some numerical integral formulas, these formulas include rectangle rule, trapezoid rule and parabolic rule.
本文的目的是使梯形网络系统的电压传递函数公式化。
The aim of the article is to formulate the voltage transfer function of the ladder network system.
利用MATLAB对梯形复阻抗网络进行了分析计算，得出了一些有益的结论，并推导了有关的计算公式。
Some useful conclusions are presented by MATLAB analyzing on ladder-shaped complex impedance network, and concerned calculation formula is introduced.
介招了带轮滚刀(梯形齿)的齿形计算公式。
In this paper, the calculating formula of profile of belt wheel gear hob cutter was introduced.
本文介绍了梯形螺纹丝杆的旋风铣削工艺，并对旋风铣刀刃形精确设计进行了公式推导和实例计算。
In this paper, the authors introduce a rotary cutting processing of acme screws and derive a formula for accurate design of rotary tools.
浇道位置为环形浇道，横浇道设计成扁梯形横浇道，内浇道截面面积根据公式求取。
Ring pouring channel was set for pouring position. Ladder-like horizontal gate was designed for horizontal gate. Section area of ingate was calculated by the equation.
浇道位置为环形浇道，横浇道设计成扁梯形横浇道，内浇道截面面积根据公式求取。
Ring pouring channel was set for pouring position. Ladder-like horizontal gate was designed for horizontal gate. Section area of ingate was calculated by the equation.
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