“视听点成本”的概念、定义、翻译、参考文献-科学参考

单词	视听点成本
释义	视听点成本 Encyclopedia 理学传播效能释 cost per rating point视听点成本在广告媒介计划或传播活动中，每得到一个电视收视率百分点或广播收听率百分点所需要花费的成本。又称点成本、每毛评点成本。
随便看	countable additivity probability axiom countable antichain condition countable base countable cardinality countable chain condition countable compactness countable covering countable degree countable dimension countable-dimensional countable distributivity countable-finite game countable Hilbert space countable infinity countable Lebesgue spectrum countable model countable ordinal number countable potency countable product countable semiadditivity countable set countable simplicial complex countable space countable subadditivity countable subset

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。