一级理论和二级理论的区别

Gun 2.3Main process points: establish civil engineering model, establish pipeline and equipment model, collision detection, collision elimination and delivery如意一家生活在这个美丽的山村，过着并不富裕但幸福的生活。她与婆婆玉春之间的关爱与疼惜令人羡慕，两个儿女活泼可爱，聪明伶俐，一家人和和乐乐。真正见过汪直的人必然感叹，此人从头到脚，没有一根汗毛像是海盗的样子。黑唇国，西南神秘之地。缇萦乃名医淳于意之女，因不好好学医，反而整天惹祸，被父亲罚到山中采药时，正遇大将军刘湘奉吕后命进攻黑唇国。被惊吓的缇萦巧遇前来盗取“不老药”的刘宣，二人相遇后即展开一波波的事件。刘宣出身贵族，表面上是吕后宠信的杀手，其实有他不为人知的计划前因。与哥哥刘湘和妹妹刘珊感情非常好。[1]Small rate told Youmei that he saw Xuancha and Yeon-hee at the seaside, but Youmei said he did not believe it. Koko heard the policeman and Yu Ying talking about Yishang. She was surprised and ran to the hospital. Taibai came to the ward with flowers and met Kezi. Yi Shang came home with Yu Ying after he was discharged from the hospital and said to Kezi that he would get married. Health told Yeon-hee Hyun to check the reasons for not being able to come to the wedding ceremony and the things that were robbed of the fitness center. Health came to President Park's office and warned him not to move his younger brother Hyun to check a hair.