principle: n.1.原理，原则。2.主义；政策；〔常 pl.〕道义；节操。3.本质，本体，根源；本原，源泉。4.本性，本能；天然的性能；天赋的才能；动因，素因。5.【化学】素，要素；精。短语和例子the principle of dividing to move and uniting to fight 【军事】分进合击原则。 the principles of political e
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Course design of principles of chemical industry 化工原理课程设计
