Primary efficacy measures were the 6-minute walking distance (6mwd) test, change in New York Heart Association functional class and several standard dyspnoea rating scales.
主要有效评估是6分钟步行距离(6mwd)测试，纽约心脏协会功能级别改变以及几种标准呼吸困难等级评分。
The vibration signal from heart activity was recorded, and the walking distance during the 6 minute walk test was measured.
记录运动前后心脏活动所产生的振动信号，测量第一心音幅值和6分钟步行试验中步行的距离。
The vibration signal from heart activity was recorded, and the walking distance during the 6 minute walk test was measured.
记录运动前后心脏活动所产生的振动信号，测量第一心音幅值和6分钟步行试验中步行的距离。
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