他们保持中立，拒绝表态。They are sitting on the fence and refusing to commit themselves.作为中立的观察员，我的分析应该客观。As an impartial observer my analysis is supposed to be objective.他们在这场危机中丢弃了中立立场。They had thrown their neutrality overboard in...
However, the modulation - demodulation of ultraviolet and voice transmission are the key technologies.然而, 紫外光通信的 调制解调技术 以及语音传输是整个系统的关键难点.FM receiver through demodulation , the frequency signals into sound signals.调频接收机通过...