It the B-D method transforms the brief index into detailed index and it is used for determining the most moderate indicator system.

提出了从概要指标到细化指标的确定指标体系的B - D方法，它有助于寻找系统全面详细而精简得当的指标体系。

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Due to the difficulty of FDTD dealing with the dispersive material, this paper use the D-B method instead of E-H method, which is more suitable for dealing with dispersive material.

针对普通FDTD处理色散媒质的困难，本文通过D - B场量的迭代方法代替传统e - H场量的迭代方法，可以很方便的处理色散媒质。

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Method Portal hypertension was induced by portal vein stenosis(PVS) in 30 rats subdividing into 3 groups:group B (Model), group C in which L arginine was given, and group D receiving L NAME.

方法采用门静脉部分缩窄（PVS）制成门静脉高压模型的30只大鼠被均分为3组：模型组（B）、左旋精氨酸组（C）、单甲基精氨酸组（D）。

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