n. 1.涂抹，拭去；删除，勾销，擦去。 2.取消，抹煞。 短语和例子 make some expunctions 略加删节。
Example Sentences:
1.
Operate guidebook : the mouse control , arriving the square piece heap of three above same colors together the meeting expunction 操作指南：鼠标控制，把三个以上相同色的方块堆到一起就会消去。
2.
After scanning the object image and labeling the connected component , the background and foreground noise could be removed easily by threshold value area expunction 该方法仅需对图像作一次全扫描即可标记物体所有连通部分，统计标识号，根据阈值面积消除法即可快速去除图像中所有前景和背景噪声。
3.
So - called can link , what to point be : regardless horizontal can ' t exceed from a pattern to another on - line of of the pattern lengthways perhaps two curved , among them , on - line can ' t from didn ' t yet the pattern of the expunction passes by up 所谓能够连接，指的是：无论横向或者纵向，从一个图案到另一个图案之间的连线不能超过两个弯，其中，连线不能从尚未消去的图案上经过。
4.
Equal get - away drama challenged intelligence , the rule is easy , clicking an in great disorder square piece of a with the mouse , the ability connects them mutually the circulation of then with expunction , see in the provision of time , you are most ability expunction how much ? 相当挑战脑力的小游戏，规则很简单，用鼠标点击一个个凌乱的方块，能将他们连成相通的循环即可以消去，看看在规定的时间内，你最多能消去多少？ ？
5.
In the process of arithmetic design , newton " method is used to compute power flow of network . graph theory knowledge is used to determine all paths from generator to load . to improve efficiency , thesis use branch expunction method to optimize the node order 在算法设计过程中，采用牛顿拉夫逊法进行潮流计算得到系统潮流分布，利用图论原理中的路径搜索算法确定了发电机对负荷的供电路径，此外为了提高潮流跟踪的计算效率，利用了支路消去法进行节点顺序的优化。
