虚拟现实是计算机科学和信息科学的交叉和融合，被认为是21世纪信息技术的代表。
Virtual reality is the crossing and blending of the computer science and the information science, and is considered as the representative of the information technology in the 21 st century.
这一时期，几乎所有商业银行和投资银行都从事证券(主要是公司债券)业务，业务的交叉和融合使两者密不可分。
During this period, almost all commercial Banks and investment Banks are engaged in securities (mainly corporate bonds) business, business-so that the two are inseparable and integration.
产业融合的实现形式主要有三种，即：产业渗透、产业交叉和产业重组。
The integration of industry are the three major forms, namely: industry infiltration, cross-industry and industrial restructuring.
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