一个3d的旋转特效，3d光圈在空中转动。flash实现3d的效果。-A rotating 3d effects, 3d aperture rotation in the air. flash achieve 3d effect.

Video has been an important media for communications and entertainment for many decades. Initially video was captured and transmitted in analog form. The advent of digital integrated circuits and computers led to the digitization of video, and di

航空客运订票系统；本科的课程设计源码；实现了航空客运订票的基本功能-Air passenger booking system undergraduate curriculum design source implements the basic functions of air passenger booking