1.2.2方向关系图1.1 RCC.8的8种基本关系及其概念邻域1976年Haar提出了空间方位表示的锥形模型(cone model),该参考模型首先是确定参考对象的质心作为原点,用两条相互垂直的线将空间划分为四个无限的锥形区域,每个锥形的角平分线分别是东、...
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提出了一种融入方向关系矩阵模型思想的改进型锥形模型。
A improved cone-shaped model is given in order to improve the old cone-shaped model.
对崆峒水库输水洞平板闸门改建为锥形阀后的消力池进行了模型试验研究。
After the Kongdong reservoir water hole plate gate rebuild into a cone valve, the stilling basin, model test was conducted.
针对热塑性聚合物在锥形量热仪中燃烧测试时的熔融行为,提出了有限厚度的聚合物固体一维不稳态燃烧微分模型。
Based on the study of melting behavior of thermoplastic polymers tested in the cone calorimeter, a differential numerical model for one-dimensional unsteady burning of polymers was put forward.
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