Bio-heattransferscience, which mainly studies the heat and mass transfer law, is an interdisciplinary science of biology, thermophysics and clinical medicine.
生物传热学主要是研究生物体的传热传质规律，是生物学、热物理学与临床医学的交叉。
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The changes of heattransfer mechanism resulted in that thermal boundary resistance and its optimization design have become a key techniques and science problem in directly cooled technology.
由于传热机理的变化，在固体接触导热中，界面热阻及其最佳热耦合机理成为直接冷却的关键技术和科学问题。
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The theory about regenerative heat exchanger is one of the difficult items in the science of heattransfer.