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

• 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。
• On an expected value basis, the obvious decision was to stick with finance.
  若按常人的观点，很显然，我应该坚持做我的金融。
• In particular, reinterpretation of the growth rate in terms of some form of expected value is required.
  特别是，重新解释的成长在一些形式上的预期值率是必需的。
• I come from a math background, I believe in expected value.
  我自己是学数学的，所以很相信期望值。
• The expected value itself very rarely can help us.
  期望值本身很难帮助我们。
• This would be unfortunate, however, because$ 10m is already the expected value of the asset.
  但这可真令人遗憾，因为1000万美元已经是该资产的预期价值。
• If the start of the banner matches the expected value, the resource is considered to be online.
  如果横幅的开头与期望值匹配，则认为该资源已联机。
• 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。
• It compares the expected value to the actual value read from the event occurrence data to determine if duplicate events were consolidated.
  它会比较预期的值和从事件发生数据读取的实际值，从而判断是否整合了重复事件。
• The expected value of the square of the deviations of a random variable from the point of origin.
  偏离原点的随机变量的偏差平方的期望值。