短語詞組短語initial peak sawtooth shock pulse [電子]前峰鋸齒沖擊脈沖terminal peak sawtooth shock pulse 后陡鋸齒形沖擊脈波final peak sawtooth shock pulse [物]后峰鋸齒沖擊脈沖oscillatory -sawtooth combination pulse 阻尼振蕩initial peak sawtooth pulse 陡前沿鋸齒形脈波periodic sawtooth pulse signal 周期鋸齒脈沖信號forward sawtooth pulse 前峰鋸齒脈沖final peak sawtooth pulse 后鋸齒波脈沖terminal peak sawtooth pulse 后峰鋸齒脈沖 返回 sawtooth pulse