浮点数表示法，含部份换轴之高斯消去法，使用矩阵大小之计算尺度调整，带状及三角对角系统，LU分解。
Floating point representation, Gaussian elimination with partial pivoting, scaling of computations with matrix size, banded and tri-diagonal systems, LU decomposition.
使用XTR01型微机控制电液伺服试验机，采用梯级加载法，对煤岩进行了三轴蠕变试验。
Triaxial creep tests on coal rocks are carried out by Step Method and the XTR01 electric-fluid servo compression machine.
此外还介绍了用两种三轴应变计进行岩体应力测量的结果以及能考虑自重边界元法的实际应用。
Results of measurements on rock mass stresses by two kinds of triaxial strain cells are reported. Finally the possible applications of BEM with gravity are discussed.
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