This paper proposes a method of component self-description, which packs class information and import information in components from processed source files.
研制了一种构件自描述封装的方法，在构件中封装描述构件的类信息和导入信息，该类信息和导入信息来源于预先编译文件。
The lifting component is controlled byan air cylinder, the products can be stacked into four packs as the air cylinder is provided with two stopping positions;
升降装置由气缸控制， 该气缸有两个停止位置，可使产品码成四包；
The lifting component is controlled byan air cylinder, the products can be stacked into four packs as the air cylinder is provided with two stopping positions;
升降装置由气缸控制， 该气缸有两个停止位置，可使产品码成四包；
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