一种简单而快速的图像加密技术，可以使在一般的应用程序中使用外部图像的安全性容易得到保障。-a simple and rapid image encryption technology. can make in the general applications using images of the external safety can easily be guaranteed.

船舶领域 船舶碰撞安全 船舶碰撞过程的实时动态仿真-Ship ship collision in the field of real-time dynamic simulation of the safety of ship collision process

实现期末大作业的基本功能，就是这么回事，超过二十个字(Safety Precautions Read and understand this specifications, instruction manual, installation manual and catalog to makeproper use of the product.)