pulse count systempulse counting systempulse-counting system脉冲计数: step-by-step counting系统: system光脉冲计数系统: optical pulse counting system; optical pulsecounting system负脉冲计数: negative counting脉冲计数: step-by-step counting◇脉冲计数器 [电子学] pulse counter; impulse counter; impulse scaler; scaler下载手机词典可随时随地查词查翻译
