two-dimensional method

Then we propose a new method of reconstructing three-dimensional models from two-dimensional hidden part-drawn line drawings.

提出了一种基于点与直线关系从正轴测画隐线图建立平面 立体 线框模型的新方法.

This method takes two steps: first, the field, which is used to excite the target in the following step, must be achieved by studied the scattering characters of the ground;

此方法将地面复杂目标超宽带散射特性分析过程分为两步：第一步，研究地面的散射特性，求出目标的激励场；

Two methods of distillation crystallization method and gas chromatography to determine the naphthalene content in coal tar oil were introduced.

介绍煤焦油中萘含量测定的两种方法：蒸馏结晶法和气相色谱法，对两种方法的优缺点及分析结果进行了对比。

By the method, the two-dimensional implicit method can be induced in soluting tridiagonal linear equation group.

这种方法可以将二维隐式方法归结为求解三对角线性方程组.

This paper established two models of sonar target glint deviation using the highlight model and plate element method. The glint characteristic of rigid sphere and Benchmark targets was analyzed with these models.

本文分别利用声纳目标回波亮点模型与板块元方法建立了声纳目标角闪烁的两种模型，对刚性球及Benchmark目标的角闪烁特征进行了分析。

This method has two advantages: first it is cheaper and second it is quicker.

这个方法有两个优点：一是更便宜，二是较快。

The exact static shape functions of the two tapered beam are presented, and can be used in developing the exact stiffness matrix through classic finite element method.

通过微分方程法得到了这两种变截面梁单元的静态精确形函数，从而可通过此精确形函数由经典有限元方法推导出相应变截面梁的精确刚度阵。

A new method measuring contouring error of two-dimensional workpiece using one-dimentsional sensor is advanced.

本文采用联机检测的方法,在数控机床或加工中心上测量零件的轮廓加工误差.

The expansion method is introduced gap for two-dimensional solid photonic crystals with square lattices.

采用平面波算法研究了二 维 正方点阵声子晶体的禁带结构.

A new method of two-dimensional electrophoresis is introduced, and applied to analyze protein subunits.

摘要介绍了还原条件与非还原条件双向电泳法, 并应用此方法研究了种子蛋白质亚基结构.