Milling and grinding of inclined plane, machining of inclined contour are the common items, which involve the calculation of coordinate value and locating point.
斜面铣削及磨削、倾斜轮廓加工是常见的零件加工项目，其中涉及到相关坐标或定位的计算。
There are different methods of capital structure decision, common methods are cost of capital comparison method, earning per share indifference point method and enterprise value comparison method.
资本结构决策有不同的方法，常用的方法有资本成本比较法、每股收益无差别点法和企业价值比较法。
Iterative TFIDF algorithm belongs to hill-climbing algorithm, it has the common problem of converging to local optimal value and sensitive to initial point.
迭代tfidf算法属于爬山算法，初始值的选取对精度影响较大，算法容易收敛到局部最优值。
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