renin-angiotensin system短语¹⁸⁰⁰⁹⁸⁺¹ 基本例句 肾素-血管紧张素系统 Objective To explore and assess the effects of Renin-Angiotensin System RAS inhibitors on left atrium in patients with essential hypertension by strain rate imagingSRI. 目的应用应变率成像技术评价 RAS抑制剂对高血压患者左心房功能的影响。 dfholiday