As libraries go, this is an extremely good example of a cleanly designed API that is very fit for its purpose and makes a potentially tricky task very easy to handle.

作为一个类库来说，这是一个设计得干净整洁的API的极佳例子，它既非常符合自身的设计意图，又使得一个可能非常艰险的任务变得易于处置。

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This implementation can not only dramatically speed-up the development of an adaptive system but it makes later changes very easy to handle and reduces the need to maintain complex integrations.

这个实现不仅可以极大加速自适应系统开发，而且可以使后期改变非常容易处理，也减少了维护复杂集成的需要。

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Collective Risk model is very important in actuary, and it is easy to handle in math-matics.

短期聚合风险模型在精算学上占有非常重要的地位，而且在数学上处理起来也比较容易。

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