远距心音听诊器 telecardiophone
远距心电描记法 telecardiography
远距心电描记器 telecardiograph
远距心刺激器 telecardiostimulator
中心距 Centre-to-centre distance ; [光] center distance ; center to center distance
心理距离 Psychic distance ; psychological distance ; physic distance ; Mental distance
中心距变动 center distance change ; center distance alter
心轴距 arbor distance
据推算，NGC3115中心的超大质量黑洞，距地球3200万光年，质量相当于太阳质量的20亿倍。这也使它成为距地球最近的“10亿太阳质量级别”黑洞。
The supermassive black hole at the center of NGC 3115, they calculate, has a mass of about 2 billion Suns, making it the nearest billion-solar-mass black hole to Earth at 32 million light-years away.
接近那一点心距，成就那一份健康！
扁管在任何一个截面均为长圆形，其长短轴根据管心距的大小来确定。
Flat tube in any cross section are oblong, the length of the shaft according to the tube pitch to determine the size of.
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