This article introduces the concept and principle of a expert system of roof support, its process of developing, main function and its guiding meaning in coal mine production is also contained.
阐述了专家系统的概念和原理，“顶板支护专家系统”的研究开发过程、主要功能以及其在指导煤矿生产过程中的意义。
This paper summarized the concept, characteristics, classification, production, function, application, influential factors, activity test, prospects and problems of feed enzyme preparation.
对饲用酶制剂的概念、特点、分类、生产与研究、功能与应用、影响因素、酶活测定、应用前景及存在的问题等进行了综述。
The modern digital technology and digital art pay great attention to the media dissemination function and the interaction multi-position experience as well as the new consciousness concept production.
现代的数码技术与数码艺术更注重媒体传播功能和互动的多方位体验以及新意识概念的生成。
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