Human visual sense is the main way to get information.Only the lifelike and unartificial virtual vision can make the users immersed in a virtual environment.

摘要人信息感知主要视觉，能使用户真正沉浸虚拟环境，必须要生成足够逼真和自然虚拟视景.

It is a reform for traditional and unartificial fermentation mode to product pickles by using artificial inoculation, as well as a symbol of the modern fermentation technology.

应用人工接纯菌腌制蔬菜是对传统自然发酵模式变革，也是发酵技术现代化标志，而研究冻干直投式发酵剂是目前发酵工业个热点。