The velocity at the free face of a thick steel plate impacted by an explosive plate is calculated by means of the two-dimension dynamic finite element analytical method.
在炸药爆炸驱动飞板碰撞厚钢板后，利用二维动态有限元数值分析方法对厚钢板自由面的速度进行了数值计算。
But many of us still think of ourselves as earthly bound caterpillar, keeping ourselves in the two dimensional plane, missing out the dynamic life in the spiritual dimension.
但是我们大家仍然认为我们自己是限制于地球表面的毛虫，保留在二维平面中，错过在属灵维度的活力生活。
The courseware of three dimension dynamic multimedia was applied to experimental group and the courseware of two dimensions dynamic multimedia to control group.
将授课班级分为两组，实验组采用三维动态多媒体课件，对照组采用二维演示多媒体课件。
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