Materials and methods: Making the animal model of the longitudinal crack and horizontal defect on the weight-bearing area and non weight-bearing area of the medial femoral condyle on rabbit.
材料和方法：制做兔股骨内髁关节软骨负重区和非负重区纵行裂伤和水平缺损动物模型。
In this paper, a method of making visual model is put forward, and applied to highway building materials visual management system successfully.
本文提出一种构造可视化模型的方法，并将这种方法成功地应用在公路建筑材料可视化管理系统中。
Based on the production practice, the mathematical model of the optimum stock of raw materials in paper making enterprises and its application are introduced with copper plate paper as an example.
根据生产实践经验，以铜版纸生产为例，介绍了造纸企业生产原料最佳库存量的数学模型及其应用。
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