直接交流不包括非同步性的网路课程或是非现场型式的聊天室。直接交流的关键要素在于现场的语音互动。
Direct interaction does not include "asynchronous" cyber courses or chat rooms where live voice interaction does not occur. The key element of direct interaction is live voice interaction.
该方法包括信号频率实时估计、采样频率同步跟踪和谐波系数误差校正几个要素。
The method consists of real-time estimation of signal frequency, synchronous tracking of sampling frequency and error correction of harmonic coefficients.
根据同步发电机的振荡机制及影响励磁控制的各要素设计了可消除负阻尼的新型励磁控制方法。
Excitation adjustor which can eliminate negative-damping is designed according to the oscillation mechanism of the synchronous machine and the factors which affect the excitation control.
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