Degree sum conditions of ID-factor-critical graphs are studied. A lower bound for the degree sum of any two nonadjacent vertices such that G is ID-factor-critical is obtained, and the bound is sharp.
本文研究ID-因子临界图的度和条件，得到使得图G是ID-因子临界图的任意两个不相邻的顶点的度和的下界，同时说明这些结果是最好可能的。
Rule 4: Largest sum of degree of morphemic freedom of one-character words.
规则4：单字单词的语素自由度的最大和。
It is common sense that the sum of the Angle of triangle is 180 degree and the sum of any two sides of a triangle is greater than the third side.
三角形三个角之和是180度，三角形任意两边之和大于第三边，这些都是常识。
The generalized cost was defined as the linear weighted sum of travel time, traffic congestion degree, and section reliability.
将广义成本定义为行驶时间、道路拥挤度、路段可靠性三者的线性加权和。
The crop green manure of villose vetch could reduce the content of salty in the degree, but the sum of microbe in the soil reduced a little.
豆科作物毛苕子在一定程度上降低了土壤盐分含量，但土壤微生物总量有所减少。
The improved rank sum method not only analyzes the importance degree of attribute, but also its result can be analyzed in a statistical way in many aspects, so it is of great practical value.
改进的秩和法不仅分析了属性的重要程度，而且其结果还可以进行多方面的统计分析。具有较高的实用价值。
The improved rank sum method not only analyzes the importance degree of attribute, but also its result can be analyzed in a statistical way in many aspects, so it is of great practical value.
改进的秩和法不仅分析了属性的重要程度，而且其结果还可以进行多方面的统计分析。具有较高的实用价值。
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