In the VGE system, object model is adopted to administer graphics data. Within the model, Graphics object is the basic unit of graphics data. Graphics element is a special graphics object, which includes a reusable graphics block and denotes physical equipment. 本系统采用对象模型管理图形数据,图形对象是图形数据的基本单位,而图元是一种特殊的图形对象,它保存一个可重用的图形块,对应实际的物理设备。
Abstract The paper briefs the experiences of increasing fibre reclaimation rate, up-grading quality of reusable cotton waste and improving economic benefit and environmental conditions of new-type waste cotton treatment equipment. 本文简要介绍棉纺织厂采用新型废棉处理系统,提高纤维回收率,改善再用棉质量,提高经济效益、改善环境条件的经验。
It showed that the hardware and software of the virtual instrument is an open, reusable, and interchangeable to a good human-machine interaction for the research method in overall parameters of electrical equipment. 体现出了虚拟仪器的硬、软件都具有开放性、可重复使用及互换性等特点,并具有良好的人机交互界面,为用电设备的耗能检测提供了一种更为良好的研究手段。