speciational

speciational

1. In this paper the forward displacement analysis of a speciat Stemard-Gough platform by transforming the equations describing the problem into the matrix eigen- problem is presented.

对于描述一类并联机构正解计算的方程组，通过化成矩阵特征问题的手段计算正解。

2. speciational evolution

成种进化

3. Producing Speciat Type Cement Used of Low Class Ironstone Insctead of Iron Powder

用低品位铁矿石替代铁粉生产特种水泥的研究