thermal diffusivity的用法和样例：
例句
- The determining principle of rubber heat transfer property and the testing mothods of rubber thermal conductivity thermal diffusivity and specific heat capacity were described.
介绍橡胶热传导性能测定的基本原理及导热系数，热扩散系数和比热容的测量方法。 - In materials marked by low thermal diffusivity, the absorption is good.
热扩散率低的物质吸收性好。 - The thermal conductivities and thermal diffusivities of the material must be known.
必须知道各种材料的热导率和热扩散率。
