本文说明了符号微分程序系统的一些特征、功能、设计思想和程序设计技术。

This paper explains the characteristics of the symbolic differentiation programs system, its functions, the idea of its design, and the technique of its programming.

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针对多体系统符号或数值形式运动方程的推导，给出了一种简单灵活的MAPLE程序设计方法。

A simple and flexible method for MAPLE programming is introduced to generate symbolic or numeric motion's equations in a multi rigid body system.

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针对多体系统符号或数值形式运动方程的推导，给出了一种简单灵活的MAPLE程序设计方法。

A simple and flexible method for MAPLE programming is introduced to generate symbolic or numeric motion's equations in a multi rigid body system.

youdao