text_1: 在 冠状动脉 造影 中 , 一般 将 目测 估计 的 冠状动脉 至少 70% 狭窄 报告 为 显著 冠状动脉 病变 .
  
text_2: at least 70 % stenosis in coronary arteries on visual estimation is routinely reported to be a standard criterion used in coronary angiography to establish the presence of angiographically significant coronary artery disease .
  