expected value

英 [ɪkˈspektɪd ˈvæljuː]

美 [ɪkˈspektɪd ˈvæljuː]

期望（预期）值

计算机化学

英英释义

noun

• the sum of the values of a random variable divided by the number of values
  Synonym:arithmetic meanfirst momentexpectation

双语例句

• Study and Application of DEA Model Based on the Expected Value
  基于期望值的DEA模型研究及应用
• You need some way of establishing the expected value for the decrypted message, for one thing.
  首先，您需要使用某种方法为解密消息确立预期值。
• Depending on what the expected value is, that could be trillionths or it could be millions.
  根据期望值不同，这个值可以是万亿分之一，也可以是数百万。
• The difference between an observed value and the expected value of a variable or function.
  一个受控变量的实际值和对应于给定的期望值之差。
• What is the expected value of these risks?
  这些风险的预期值是多少？
• There are significant difference in Efficiency, Quality, Cost, Service value between expected value and perceived value.
  其中游客在游览前后对效率价值、质量价值、成本价值、服务价值的认知存在显著差异。
• The weighted mean of the random variable is the expected value.
  随机变量的加权平均值是期望值。
• ( statistics) approximating the statistical norm or average or expected value.
  （统计学）接近统计的标准、平均数或预期值的。
• So perhaps you can steel yourself to follow decision theory and go for the higher expected value.
  因此，或许你可以让自己坚强起来，遵循决策论，追逐更高的预期价值。
• The method assert compares an expected value to an actual value for the particular test scenario.
  这个方法assert在这个特殊的测试情景下，将期望值与实际值进行了对比。