bjective To compare the longterm effects of VVI and AAI pacing on paroxysmal atrial tachyarrhythmias of sick sinus syndrome(SSS).是什么意思_bjective To compare the longterm effects of VVI and AAI pacing on paroxysmal atrial tachyarrhythmias of sick sinus syndrome(SSS).在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句