This paper presents a trade mark retrieval method in which the shape feature and spatial relationship are both used for the purpose of making full use of image info and improving retrieval precision.
为了充分利用商标图象的内部信息,以提高商标图象的检索精度,提出了一种综合利用商标形状特征与其内部空间位置关系特征来检索二值商标图象的方法。
But there are only basic info of geometry, topology and partial kinematics in the CAD model in STEP. The description on feature of multi-rigid-body dynamics is hardly blank.
使用现有的产品数据表达与交换标准STEP只能描述CAD模型几何、拓扑和部分运动学信息,对多刚体动力学特征的描述一直是特征模型中的一个空白。
The parameter info feature opens the parameters list to give you information about the number, names, and types of parameters required by a function or attribute.
“参数信息”功能打开“参数”列表,以提供有关函数或特性所需的参数数目、参数名称和参数类型的信息。
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