采用夹角余弦法计算相关系数，并使用SPSS11.0统计分析软件对指纹图谱进行系统聚类分析。
Correlative coefficient was computed using Cosine method. Hierarchical classification used SPSS11.0 statistical analysis software.
用骨架语片做特征项，用空间向量模型表示文本语义，用语片的出现频度做语片权重，用余弦法计算文本间语义相似度。
Computing the semantic similarity of sentences by the method of cosine, eigenvalue come from the skeleton semantic clip, and the semantics of sentence expressed the vector space model.
中药指纹图谱相似度的影响因素由样品所含的主要化学成分所引起 ，相关系数法比夹角余弦法对指纹图谱中小色谱峰变化的反应明显。
The important influence factors to TCMF are due to the difference of the main contents of TCM, the Cosin method is better for similarity evaluation than Correlation method.
以余弦光栅作为投影光栅和参考光栅，对投影型莫尔法从物理光学的角度进行了理论分析。
The cosine grating is taken as the projected grating and the referenced grating; the projection moire method is analyzed by the physical optics.
采用D-H后置法建立了4R机器人运动方程，建立机器人执行机构在空间相对位置关系的数学模型，由此可解出手部位置和用单位矢量方向余弦表示的姿态。
A kinematics model by post D-H method for 4R-robot was offered in this paper, which derived the manipulator finger position and its attitude with unit vectors of direction cosine.
应用球面三角法和方向余弦矩阵法分别推导出双轴陀螺平台的支架误差公式，发现由这两种方法推导出来的公式计算结果是一致的。
Methods of spherical trigonometry and direction cosine matrix were applied respectively to derive the bracket error, and the two methods had the same error formula and the same calculation results.
针对实例类检索的子空间法的不足，提出了实例分类检索的相似余弦二值法。
Aimed at the limitations of available approach for case class retrieval, a new similitude cosine two-value approach was proposed for case class retrieval.
针对实例类检索的子空间法的不足，提出了实例分类检索的相似余弦二值法。
Aimed at the limitations of available approach for case class retrieval, a new similitude cosine two-value approach was proposed for case class retrieval.
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