| 1. | The main object of this standard is to provide a neutral format for the existing parts in order to realize the exchange and sharing of heterogeneous systems
它的目标是为现有的零件描述定义一个中性格式，以实现在异构系统之间的数据交换和共享。 |
| 2. | In the meantime , the existing part - time pedestrian scheme from 4pm to midnight daily on the section of lee garden road between kai chiu road and hennessy road will be cancelled
同时，现在介乎启超道与轩尼诗道之间的利园山道实施的每日下午四时至午夜十二时部分时间行人专用区将会取消。 |
| 3. | However , because of the extent of the economic market - oriented hi our country being low , the open market operation still is a system restricted roughly by many factors and exists part of localizations , needing the further development with perfect
但同时，由于我国经济市场化起步较晚，市场化程度不高，公开市场业务的成熟运用还受到诸多因素的制约，不可避免地存在部分局限性，有待更进一步的发展和完善。 |
| 4. | Because the loader and the moduls of elasticity exists part difference in key stratum and combinatorial key stratum , and the formulae of calculating the roof weighting step has difference , so there must be existing big error if we use the formulae of key stratum to calculate the shallow coal seam ' s weighting parameter
大柳塔1203工作面按照关键层计算得出的顶板来压步距与实际相差很大，而按照组合关键层计算得出的顶板来压步距与实际基本吻合。 |
| 5. | This dissertation explores the basic structure of parts library data dictionary and the implementation of its modeling technology , mainly about researches on the xml representation of express meta model . it realizes the exchange process from the existing parts library data files to the standard iso 13584 data files and shows it in a user - friendly interface
本论文探索了零件库数据字典的基本结构，以及建模技术的实施方法，主要是由express元模型向xml表达转换的研究，实现了从已有零件库数据文件到标准iso13584的数据文件的转换并以友好的用户界面呈现。 |
| 6. | Therefore , it is necessary to acquire the cad model by conventional engineering or reverse engineering . reverse engineering of physical objects refers to the process of creating engineering design data ( including the cad model ) from existing parts by using many digitized technologies and cad technology
在没有产品cad模型和没有设计图纸或者设计图纸不完整的情况下，按照现有产品样件，利用各种数字化技术及cad技术重构其cad模型的过程，被称为实物反求工程。 |
