He demonstrated how to use the new machine.

他怎样使用这台新机器。

1895 The earliest demonstration of a celluloid cinematograph film was given at Paris by Auguste and Louis Lumiere.

奥古斯特和路易斯·吕米埃在巴黎早的电影片。

PKU boatrace team, winner of the boatrace competition held in Xiamen early this month, showed up on the spot.

在刚刚结束的“厦门国贸杯”海峡两岸高校赛艇挑战赛中夺冠的北大赛艇队队员们也来到了这里，进行了现场的赛艇。

Compared with the computer tutor, with the tutee the direction of control between the computer and the user is reversed.

准备的内容以即时通过计算机输入，也以事先制作贮存在硬盘中，并通过桌面软件再次展出来。

A new clue for architectural CAD and software design is proposed during the developing procedure, which is called three-moduler-in-one method.

在系统研制中，提出并实现了集建筑建模器-结构分析器-仿真器于一体的三器一体化的建筑工程辅助设计和软件思路。

Based on the emission, absorption, diffusion, reflection and scatteration of light by a voxel, it is suitable for generating and rendering realistic images of complex scenes.

基于体单元对光线的射、吸收、漫射、反射和散射基础上的体放射法,适用于复杂景物的生成和,在真实感图形中具有重要地位。

The prolusion needs to be designed well, a exquisite and claptrap prolusion can grasp the attention of the audienc immediately and it lays a good foundation for a successful demostration.

场白需精心设计，精妙、应景得场白能够迅速抓获听众的注意力，为成功奠定坚实基础。