实数域是实数所在的有理集合，具有连续性、完备性、有序性等性质。
Let F be a field, R be a real field, this paper mainly studys two linear preserver problems on alternate matrices.
设F是域，R为实数域，本文主要研究交错阵的两个线性保持问题。
参考来源 - 交错阵的线性保持问题It makes the conclusion that it is much easier to estimate series astringency in p - adic field than in real number field.
得到了p-adic数域上级数收敛性判断比实数域上级数收敛性判断更容易的结论。
参考来源 - P·2,447,543篇论文数据，部分数据来源于NoteExpress
该方程右边的函数在实数域内不连续，是一个高度非线性微分方程组。
The equations are extra nonlinear differential equations. the dexter function is not continuous in field of real number .
该方程右边的函数在实数域内不连续，是一个高度非线性微分方程组。
The equations are extra nonlinear differential equations. The dexter function is not continuous in field of real number.
该模型以组成波的谱值及波向为变量，在实数域内求解，适合大面积海区波场计算。
The mathematical model takes spectrum value and wave direction as variables and is solved in real domain, it is suited for wave computation of large sea area.
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