expected value
英 [ɪkˈspektɪd ˈvæljuː]
美 [ɪkˈspektɪd ˈvæljuː]
期望(预期)值
英英释义
noun
- the sum of the values of a random variable divided by the number of values
双语例句
- A new method to count the expected value and variance of time dispersion is presented for time dispersion of underwater optical wireless communication.
给出了一种计算水下无线光通信中时域展宽的均值和方差的新方法; - 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。 - 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。 - Good development governance practices enable organizations to determine the extent to which development investments deliver on their expected value.
好的开发治理实践能够让组织决定开发投资对其预期值的交付程度。 - 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。 - 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。 - Build a regular expression that describes the expected value format and put it in the pattern attribute.
构建一个说明所期望值格式的正则表达式,并将其放到pattern属性中。 - 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。 - 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。 - 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
