本文针对现代交通中的干线协调控制的问题，提出了对干线双向绿波控制的优化。
This thesis gives the optimization of Bidirectional Green-Wave which is one of the hot traffic control problems about the coordinate control.
为在实验室内模拟天然潮汐波，设计研制一种基于双向泵流量控制技术的潮汐模拟及其自动测控系统。
To simulate the natural tidal waves, a tide simulation system based on two-way water pump technique was (designed) and developed.
用双向晶闸管作为电子开关，双向晶闸管过零触发，因而输出的是完整的正弦波。
Using electron switch by BTA, BTA at touch off cross zero, thus deferent electron sine wave is intact.
因而，本文构建了一个以期得到最接近双向完全绿波的优化模型。
Therefore, this paper constructs an optimization model to be close to the control of real two-way green wave.
简正波耦合模式有双向全耦合模式、单向耦合模式、绝热近似模式。
Usually, mode coupling between normal modes is solved by two-way coupling mode, one-way coupling mode and adiabatic mode theories.
双房同步起搏体表心电图表现为P波时限短、负向或正负双向，PR间期相应缩短。
The surface body electrocardiogram(ECG) manifestations of biatrial pacing are that P wave duration shortens, the polarity of P wave changes to negative, PR interval gets shorter correspondingly.
双房同步起搏体表心电图表现为P波时限短、负向或正负双向，PR间期相应缩短。
The surface body electrocardiogram(ECG) manifestations of biatrial pacing are that P wave duration shortens, the polarity of P wave changes to negative, PR interval gets shorter correspondingly.
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