After finite iterations, the iteration point gets into the feasible set and the master direction is a feasible direction of descent.
有限次迭代后，迭代点进入可行集且主方向是一可行下降方向。
On the basis of the research on the frame structure of the multi-point Forming machine, its finite element model and mathematical model have been set up.
本文在对三梁四柱式多点成形压力机机架结构研究的基础上，建立了压力机机架有限元模型和机架结构优化的数学模型。
At some point in our lives we come to realize our time on this earth is finite and we cannot accomplish all we set out to do.
我们的生命中的某些时刻里我们已了解到在这个地球上我们的时间是有限的，并且我们不能完成所有我们准备要做的事情。
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