In the first manner, network's virtual, over-dominion and instantaneouscharacteristic brings a series of legal problems, therefore it is necessary to establish new regulations to rectify network.
第一种方式中网络自身的虚拟性、超地域性和即时性引起了一系列法律问题，需要对虚拟过程建立规范。
2
The expression for instantaneous pressure near the focusing area was obtained by analyzing the characteristic of focusing acoustic field.
通过分析聚焦声场的特性，得到了聚焦区附近的瞬时声压表达式。
3
In the instantaneous thrust measurement of an attitude control solid rocket motor, dynamic characteristic of thrust measurement system affects the accuracy of thrust measurement.