Classroom teaching is a kind of knowledge and information transfer process Teachers and the medium of instruction is the transmission of a major carrier.
课堂教学是一种传递知识和信息的过程，而教师的教学语言便是一种传递的主要载体。
A transient state distribution of temperature within the infinite medium is assumed to induce the moisture transfer process.
假定无限介质内热源的存在引起周围多孔介质内温度的瞬态变化和水分的迁移和扩散。
The transfer medium in this pipeline is liquid ammonia (process air , soft water, alkali liquor, acidic gas).
这条管线的输送介质为液氨（工艺空气、软水、碱液、酸性气体）。
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