1.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.

1.摘要人信息感知主要来源于视，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.

2.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.

2.应用人工接种纯菌种腌制蔬菜是对传统自然式一种变革，也是技术现代化一种标志，而研究冻干直投式剂是目前工业一个热点。