Abstract
At present, we level science award according to a system of norms, e.g., innovation, practicability, academic value and social value etc. However, science achievement is the combined event with multiple properties and characteristics of uncertainty. It is vital to give an objective assessment conforming to the characteristics of multiple properties about science achievement, and it is one of ensuring the accuracy of the science award judgment. Therefore, in the paper system of norms is showed by interval-valued fuzzy number and sets, and we present an interval number to scores of experts. And further study develops function for judgment the similar degree of two interval-valued fuzzy numbers and method to order interval-valued fuzzy numbers in order to make science award judgment reasonable.
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