ObjectiveTo study the application of three dimension dynamic multimedia in teaching of mechanism of labor in obstetrics.
目的研究三维动态多媒体课件在产科分娩机制课堂教学中的应用。
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。
ConclusionThe teaching effect of courseware of three dimensions dynamic multimedia is evidently better than that of courseware of two dimension dynamic multimedia.
结论采用三维动态多媒体课件教学的教学效果明显优于二维演示多媒体课件。
The Three-Dimension-Laser Particle Dynamic Analyzer (PDA) was utilized to conduct experimental investigation of the turbulent combustion in a swirl combustor with staged air injection.
本文应用三维激光粒子动态分析仪（PDA）对分级进风旋流燃烧室内的湍流燃烧过程进行了实验测量。
Finally, the paper introduces the technique of data display, including the display of dynamic arrows, pie and three-dimension.
最后介绍了数据显示技术的实现，包括动态箭头的显示、饼形图的可视化和三维可视化的显示。
Based on the dynamic characteristics obtained with three dimension finite element method, the reduced mechanical model and parameters of lift ship structure can be modified and obtained.
利用三维有限元方法计算的结构动力特性和简化结构动力特性相等的原则修正升船结构简化力学模型，并确定了等效的升船机简化结构模型和系统参数。
This method provides a feasible approach for dynamic three dimension display, colour three dimension display and the display of not existing object in reality.
本方法为动态立体显示，彩色立体显示以及实际不存在物体的显示提供了可行的手段，也为研究人的视觉机理提供了一个有效的工具。
There adds a dynamic focusing models, it can realize three-dimension scanning.
增设动态聚焦模块后，可实现三维扫描。
There adds a dynamic focusing models, it can realize three-dimension scanning.
增设动态聚焦模块后，可实现三维扫描。
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