unartificial

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.

摘要人的信息感知主要来源于视觉，能使用沉浸的虚拟环境，必须要生成足够逼和自然的虚拟视景.

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.

应用人工种纯菌种腌制蔬菜是对传统自然发酵模式的一种变革，也是发酵技化的一种标志，而研究冻干直投式发酵剂是目前发酵工业的一个热点。