求翻译：采购占作为一项重要功能，必须纳入规划，以确保供应的条件反射的企业。供应的市场机会和威胁，忽略企业风险。Kiser，1976 年，表明，采购部门有不同的任务是保护公司的成本结构，降低采购成本，以确保长期供应安全，并与供应商保持良好的合作关系。显示，该产品的生命周期可以作为基础，选择不同的策略，不同阶段。是什么意思？

Procurement accounted for as an important function, must be included in planning to ensure that enterprises of the supply of conditioned reflex. The supply of market opportunities and threats, to ignore the business risk. kiser, 1976, the purchasing department has a different task is to protect the

Purchase of as an important function, and must be incorporated into planning, in order to make sure the supply of conditioned reflex. Supply of market opportunities, and threats to ignore risk to the business. In 1976, Kiser, showed that the procurement departments have different tasks is to protect

The purchase occupies an achievement important function, must integrate the plan, guarantees the supply the conditioned reflex enterprise.Supply market opportunity and threat, neglect enterprise risk.The Kiser,1976 year, indicated that, the purchase department has the different duty is protects the

Procurement as an important feature, must be incorporated into planning, to ensure supply of conditioned reflex of the enterprise. Supply opportunities and threats in the market, ignore the risk. Kiser,1976 years, suggest that procurement departments have different tasks is to protect the company's

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