Abstract: : the managers want to obtain the comprehensive accurate information, depending on the size of the area communication network.
摘要： 企业的管理者想要获得全面准确的信息，主要取决于沟通网络范围的大小。
Mathematic in high vocational has the characteristics of the high degrees of the abstract, careful, accurate and the extensive that applied from concept to the theory.
高职数学从概念到理论具有高度的抽象性、严谨性、精确性和应用的广泛性等特点。
Abstract: Real estate enterprises need accurate position for the product, it must match with the ability of itself, customer needs and region.
摘要房地产企业需要对产品准确定位，开发的产品需与自身能力、客户、地域相匹配。
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