Owing to the examination-oriented education, information technology, subject only to the general importance of teaching the basic concept and operation of the Shiji fixed pattern.
由于受应试教育的影响，信息技术学科的教学一般只重视基本概念的识记与操作的固定模式。
This paper analyzes the general idea of virtual assembly technology, presents the basic surroundings for application of technology of virtual assembly to railcar design and concrete implement method.
文章在分析了虚拟装配技术基本思想后，提出了在铁路货车设计中实施虚拟装配技术应用的基础环境以及具体的实施方法和途径。
This paper describes the characteristics of sludge pyrolysis technology, basic principles, and its general processes.
介绍了污泥热解技术的特点和基本原理，对其工艺流程进行了概括性描述。
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