First, the general form of input-output equation has been given and a input-output difference equation corresponds to a class of canonical form has been obtained.
首先给出了输入输出方程的一般形式，并对于一类规范型给出了相应地输入输出差分方程。
Since the output of one industry (steel, for example) serves as an input for another (construction), one cannot solve any equation without solving them all simultaneously.
由于一个行业的产出总是会作为另一个行业的投入，因此除非能同时解出所有的方程，否则你一个也解不出。
The input output equation of displacement analysis for the main feed mechanism of a new type hybrid virtual axis machine tool is established.
建立了一种混联型虚拟轴机床主进给机构位置分析的输入输出方程，并推导出奇异位形判别的解析表达式。
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