[电子] 取样同步脉冲 sychronization: 并网pulse sampling: 脉冲取样sampling pulse: 采样脉冲; 抽样脉冲; 取样脉冲narrow-pulse sampling: 窄脉冲取样phase sampling pulse: 相位取样脉冲下载手机词典可随时随地查词查翻译