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- Finally, the minimum sum of the average square distances in all rotation angles is defined as the matching degree of the two contours. 在所有角度中，平均值之和的最小值即为两个轮廓的匹配度。
- Corners are extracted using improved Harris operator, and feature space of Corner is built based on average square gradient matrix. Then three steps of matching strategy are adopted to realize image matching. 该算法采用改进的harris算子提取特征点(角点),并建立角点特征空间,根据三级匹配策略,实现特征点的匹配,完成图像配准。
- Variance -- The average squared distance of each data point from the mean. The square of the standard deviation. 方差-- 每个数据与均值之差的平方的平均值，即标准差的平方。
- The variance is simply the average squared difference of all numbers from their mean or average value. 方差就是各个数的中值（或平均值）与各个数的差值的平方的平均值。
- I hit him fair and square on the jaw. 我不偏不倚打中他的下巴。
- The average age of the boys in this class is fifteen. 本班男生的平均年龄是十五岁。
- The crowds in the square were elated by the news. 这消息使广场上的人群欢欣鼓舞。
- Can I leave you to square up with the waiter? 我把跟服务员结帐的事交给你办行吗？
- The average output of the factory is 20 cars a day. 该工厂的平均产量是每天20辆汽车。
- The two teams were all square at the end. 最后两队以积分相同而结束。
- The little girl drew a square on the paper. 小女孩在纸上画了一个正方形。
- The teams are all square at one match each. 这些队在各自参加了一场比赛后不分胜负。
- Crowds thronged the main square of the city. 城里的大广场上挤满了人群。
- His income is well below the average. 他的收入大大低于平均水平。
- We fail one student per year on average. 我们平均每年有一个学生不及格。
- Eight roads radiate from the square. 八条大道从广场呈辐射形伸展出去。
- I hit the man fair and square on the jaw. 我不偏不倚击中了那个人的下巴。
- Meals average out at 5 per head. 膳食平均每人5英镑。
- Four avenues radiate from the square. 四条林荫大道从那广场向四方延伸。
- On average we receive five letters each day. 我们平均每天收到五封信。
