This article makes brief description about the process that is to use principle and mode of instructional design for designing and developing web-based course.
文章就运用教学设计的原则和模式来设计、开发基于网络课程的过程做简要的描述。
The paper introduces the structure and work principle of YBY01 vehicle-used loading and unloading hydraulic elevator and puts forward the designing process.
介绍了YBY01型车用装卸液压升降机的结构组成与工作原理，提出了YBY01型车用装卸液压升降机的设计要点。
Its composition, principle, working process, main equipments and the method of designing-calculating parameters are also introduced in this paper.
并介绍了该方法的组成、原理和工作过程，以及主要设备和设计计算参数的计算方法。
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