... 线性方程组 system of linear equations 对数系 system of logarithm 近旁系 system of neighbourhoods ...
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There exist many problems for the logarithm linear regression formulations during estimating the cost of airborne avionics system.
在估计机载航电系统费用时，对数线性回归估算关系式存在许多问题。
It is shown that the statistical data from survey units, which describe the scale of social and economic system, must be approximately subordinate to logarithm normal distribution.
证明在社会经济系统中，反映研究对象规模大小的统计数据近似服从对数正态分布。
The results show : there is a liner additive relationship between the logarithm of activity coefficients of solute in two or, three component co-solvent system and volume fractions of each components.
实验结果表明：对二氯苯在二组份和三组份共溶剂体系中的活度系数的对数值与各组份的体积分数之间有线性加和关系；
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