英语词汇mathematical expectation怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词

mathematical expectation

释义

mathematical expectation

美/ ?m?θ??m?t?kl ?ekspek?te??n /

简明释义

数学期望：随机变量的平均值，代表了随机变量在大量重复试验中的平均表现。

网络释义

1
[数]?数学期望
? 数学期望（mathematical expectation ）：它反映随机变量平均取值的大小。又称期望或均值。
2
?数学期望值
... mathematical constraint 数学限制条件 mathematical expectation 数学期望值 mathematical forecasting 数值预报 ...
3
?期望值
数学的期望值 ( mathematical expectation ), 此释义来源于网络辞典。
4
?数学的期望值
数学的期望值(mathematical expectation), 此释义来源于网络辞典。

短语

1
Applications of mathematical expectation
数学期望的应用
2
Mathematical expectation and its nature
数学期望及性质
3
The property of mathematical expectation
数学期望的性质

双语例句

1
Mathematical expectation is one of the important digital features of random variable.
数学期望是随机变量的重要数字特征之一。
2
Suppose the mathematical expectation of image signal is zero, the basic properties of the correlator output are given.
假定图象信号的数学期望为零，证明了相关器输出的基本性质。
3
The standard air defense fire unit theory demand was calculated by adopting damage probability method and damage target mathematical expectation method.
标准防空火力单元理论需求量采用毁歼概率法和毁歼目标数学期望法计算。

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单词	mathematical expectation
释义	mathematical expectation 美/ ?m?θ??m?t?kl ?ekspek?te??n / 简明释义数学期望：随机变量的平均值，代表了随机变量在大量重复试验中的平均表现。网络释义 1 [数]?数学期望 ? 数学期望（mathematical expectation ）：它反映随机变量平均取值的大小。又称期望或均值。 2 ?数学期望值 ... mathematical constraint 数学限制条件 mathematical expectation 数学期望值 mathematical forecasting 数值预报 ... 3 ?期望值数学的期望值 ( mathematical expectation ), 此释义来源于网络辞典。 4 ?数学的期望值数学的期望值(mathematical expectation), 此释义来源于网络辞典。短语 1 Applications of mathematical expectation 数学期望的应用 2 Mathematical expectation and its nature 数学期望及性质 3 The property of mathematical expectation 数学期望的性质双语例句 1 Mathematical expectation is one of the important digital features of random variable. 数学期望是随机变量的重要数字特征之一。 2 Suppose the mathematical expectation of image signal is zero, the basic properties of the correlator output are given. 假定图象信号的数学期望为零，证明了相关器输出的基本性质。 3 The standard air defense fire unit theory demand was calculated by adopting damage probability method and damage target mathematical expectation method. 标准防空火力单元理论需求量采用毁歼概率法和毁歼目标数学期望法计算。
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