definite policy的意思|示意

S. government Wangxia Treaty laid the strong foundation for American economic expansion to Far East, and from then on, the United States had the definite policy of China.

条约的签订为美国在远东地区推行经济扩张政策提供了重要基础，也是美国首次有了明确的对华政策。

A policy is a definite course or method of action selected from alternatives, and in light of given conditions, to guide and determine decisions.

策略是确定的路线或从选择物中选择动作的方法，并在给定条件的指引下指导及确定决策。

This article studies the optimal policy of production-inventory model in which time cycling is limited and cost parameter varies in stepped variation, and the definite way of cost parameter.

本文研究时间周期有限，费用参数呈阶梯变化的生产-库存模型的最佳策略及参数的确定途径。