Secondly, using the comparison as one of their basic methods.

以比较研究为根本方法；

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Using the comparison principle, the existence, uniqueness and its asymptotic behavior of solution for the problem are studied.

利用比较原理，研究了问题解的存在性，唯一性及其渐近性态。

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Based on the feasibility experiment and analyses, an intelligent defrosting scheme using the comparison calculation of indoor coil temperature is put forward.

在可行性实验和分析的基础上，提出一种基于室内盘管温度比较运算的智能化除霜方案。

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It seems like only yesterday that the Bittmans of the world were using the outrageous and inapt comparison that food and drinks are the new tobacco.

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When reviewing your annual statement, make sure to understand exactly how return is calculated and whether the advisor is using a valid benchmark comparison for the holdings in your portfolio.

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This calculation is not a perfect apples to apples comparison using the same data source for both sales periods.

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