diffusivity中文什么意思

例句与用法

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1. In heterogeneous anisotropic materials the thermal diffusivity cannot be described by a single number .
   在各向异性的非均质物质中，热扩散率不可能用一个简单数字来表达。
2. Limiting the extraction of great amount of heat from the underground even more is the low thermal conductivity and low thermal diffusivity of rocks .
   由于岩石的热导率和热扩散率都比较低，更加限制了地下热能的大量抽取。
3. Test method for thermal diffusivity of hardmetal carbide
   硬质合金热扩散率的测定方法
4. Study on mass diffusivity of concrete under isothermal condition
   等温条件下混凝土质扩散系数研究