virtual origin

Virtual origin of impulse current shock wave induced by flyer impact

冲击电流波视在原点飞片撞击产生冲击波

In the travel industry, the new tourism method is called "virtual tour". Virtual tour has its origin and development of specific historical and social conditions.

在旅游业界，这种新的旅游方式被称为虚拟旅游。虚拟旅游的产生与发展有其特定的历史和社会条件。

This paper discussed the origin and concept of virtual reality agriculture and its application to agriculture.

本文论述了虚拟农业的由来、概念,以及虚拟现实技术在农业上的应用状况.

Correspondingly, all kinds of anomalous propagation phenomena of electromagnetic wave have the same physical origin, i.e. the virtual photon process, then these phenomena have a mature reason in quantum field theory, and do not contradict the law of causation;

相应地，电磁波的各种异常传播现象源于相同的物理本质，即虚光子过程，从而异常传播现象存在早已成熟的量子场论理论依据，且不会违背因果律；

The classical penetration equation based on the virtual origin theory can well describe the penetration behaviour of the continuous jet with linear velocity distribution.

对于沿射流长度方向具有线性分布速度的连续射流，经典的基于虚拟原点理论的射流侵彻关系式能很好的描述其侵彻行为。

Firstly it discusses the origin of questions of virtual property from perspective of historical development.

首先,从历史发展的角度来探讨虚拟财产问题的由来.