A single ant cannot do much on its own, but the colony as a whole solves complex problems such as building a sophisticated nest, maintaining it and filling it with food.

仅仅一只蚂蚁干不了什么，但是一群蚂蚁作为一个整体就可以解决一些复杂的问题，比如说建造并维护一个精致复杂的巢穴并在里面储存食物。

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Compared with the normal algorithms, the new one is efficient in algorithm, simple in realization for scan filling of simple connected area and also applicable to the filling of the complex area.

对比传统单连通区域扫描线填充法，新方法算法效率高，实现简单，对复杂区域的填充同样适用。

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Filling and solidification process of low pressure casting is a complex and dynamic process with huge heat dissipation.

低压铸造充型是一个伴随着大量的热量散失的复杂的动态过程。

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Tax expert Heather Self said filling in tax returns can often be complex.

BBC: Child benefit cuts lead thousands of parents to 'opt out'