首先是对比，在一个荒唐的请求之后再提出真正的请求就会显得比较谦恭。
The first is comparison; the real request seems modest when it comes straight after an absurd request.
为了验证提出算法的优越性，本文在第5章专门设计了一个挖掘算法对比实验。
In order to verify the superiority of the proposed algorithm, a comparative experiment of mining algorithm was designed in chapter 5.
对比两种方法的计算结果，尝试找到一个合理的计划工期，对工程原工期计划提出一定的建议。
In contrast of the two methods' results, this paper attempts to find reasonable plan duration and make reasonable proposals to the original project duration plan.
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