least square regression的用法和样例：
例句
- The most accurate method to determine the behavior pattern of a mixed cost is least-squares regression.
测定混合成本行为模式的最准确的方法是最小二乘回归。 - In order to avoid mutual influence of variables in cost modeling on reliability growth of weapons and military equipment, the partial least-square regression is introduced.
摘要为消除武器装备可靠性增长费用建模中自变量之间的多重相关性，引入了偏最小二乘回归分析，并针对某型现役装备使用阶段可靠性增长费用数据进行了建模与分析。
