How to plot parametric functions between infinite limits?
如何引入参数函数之间的无穷？
The formulas calculating higher derivatives of parametric functions and composite functions are given by the chain rule and the product formula for derivatives.
用函数的链式法则和乘积公式给出了参数函数和复合函数的高阶导数的计算公式。
Finally, the flow functions and parametric variables of contact element are discussed.
最后，对接触流动函数及参变量的意义作了详细说明。
Shape preservation of parametric curves is associated with normalized total positivity of its basis functions.
参数曲线的保形性与生成它的基函数的规范化全正性有关。
This paper points out that the functions of subroutines and parametric programming of the nc system can complete machining of some special parts.
指出利用数控系统的子程序和参数编程功能可以完成一些特殊零件的加工。
View management. The parametric sketch system strengthens view management by functions of graph redrawing, graphs zoom-out, screen move, all graphs display on the screen and view scroll and the like.
视图管理功能参数化草图系统通过图形重画、图形放大、屏幕移动、全图显示和视图滚动等功能，以增强对系统视图的管理。
This kind of software includes the interface, i. e. the instrument panel, communication functions, and parametric database.
一般的测控系统软件主要由界面（仪表面板）、通信、参数数据库组成。
This kind of software includes the interface, i. e. the instrument panel, communication functions, and parametric database.
一般的测控系统软件主要由界面（仪表面板）、通信、参数数据库组成。
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