提出了一种实现血流速度定量、双向检测的简单而且准确的方法。
A simple but accurate method is developed to realized directional and quantitative measurement of blood flow velocity.
分布式的、特性丰富、具备双向冲突检测及管理的增量复制。
Distributed, featuring robust, incremental replication with bi-directional conflict detection and management.
现场实验与仿真都证明了该滤波器能够非常有效地抑制电网中的基波和3、5次谐波，大大提高了对双向工频通信信号的检测能力。
Practical experiment and simulation show that The 3rd, 5th harmonic are suppressed effectively and the ability of detecting the signal of TWACS is improved greatly.
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