用虚拟专用网和多级用户权限认证技术保证抽油井数据网络传输的安全性。
Besides, Virtual Private network (VPN) and authority authentication technique are used to ensure the safety of network transmission.
详细介绍了传输射孔负压多级起爆(TCP)技术在地质、工程方面的优势，介绍了该项技术的主要特点及应用实例。
Described are the negative pressure multistage detonating technique in TCP (Tubing Conveyed Perforator) and its advantages, features and applications in geology and engineering.
提出了一种可以无阻塞地传输其输入与输出间任意多播信号的新型自路由无阻塞多级网。
A design for a new self-routing multicast network which can realize arbitrary multicast assignments between its inputs and outputs without any blocking was proposed.
采用了相对强度噪声(RIN)的分析方法，对高功率激光光束在多级介质中传输的光强分布情况在频域内进行了定量的分析。
Relative intensity Noise (RIN) has been adopted to study the intensity distributions of laser beams propagating in the muti-stacked medium in frequency domain.
通过再生传输中衰变的信号，实现了多级联混沌通信。
The multilevel cascade chaotic communication can be realized by regenerating the depleted signal in relaying.
通过再生传输中衰变的信号，实现了多级联混沌通信。
The multilevel cascade chaotic communication can be realized by regenerating the depleted signal in relaying.
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