principle model主模型principlen.原理；原则；主义；信念principle of least structural changes[化] 最小结构变化原理principle of respecting and voluntary尊重自主原则principle and subordinate load tables主从负载表principle of formulating prescription组方原则Principle deficient and words Blocked理亏语塞principle of minimum potential energy最小势能原理principle of geochemical distribution地球化学的分布法则principle of waste water purification污水净化原理principle of unity of knowing-doing知行统一原则principle component analytical method主成分分析法