non numerical problem 非数值问题
The non-uniqueness problem is always encountered when numerical inverse method coupling with one step outflow experiments is employed to determine the soil hydraulic properties.
结合单步出流实验的数值反演方法在确定土壤水力性质时会遇到解的非唯一性问题。
With the linear motor as the micro-feed servo mechanism, the numerical control machine can solve non-circular machining problem.
数控机床采用直线电机作为刀具的伺服进给机构，可以解决非圆零件的加工问题。
At last an initial-boundary value problem was considered and the numerical experiment demonstrated that the linear sinusoidal wave would successively evolve non-linearly into conoidal wave.
最后我们研究了初始边界值问题。 通过数值试验证明，线性正弦波会逐步变为非线性的圆锥型波。
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