[中文文摘]绍几种基于Web上的三维分子结构模拟技术:VRML及Chime、Chem3D、HyperChem插件,并讨论它们的优缺点.这些模拟技术具有可操作的特点,可以进行旋转、缩放、平移等实时交互操作,并改变其形状和颜色的表现形式.三维分子结构模拟可以增强化学网络课程的表现能力,提高教学效果,是发展远程教育的重要技术.[英文文摘]Several techniques of 3D molecular simulation based on Web page were introduced, which are VRML, Chime, Chem3D and HyperChem plugins. Their advantages and shortcomings were also discussed.The rotations, zooms, transformations can be operated interactively, and several color and display modes are also available. 3D molecular simulations can improve performances of chemical network courses and enhance educational effects. They are important techniques on developing the long distance educations
