这就是二重积分的基本定义了。
The basic definition of flexible control is introduced.
阐述了柔性控制的基本概念。
The basic definition is okay: "background information on something or someone."
该词基本定义中:“与某事物或某人相关的背景知识”倒是问题不大。
The basic definition-- the expected value of some random variable x--E--I guess I should have said that a random variable is a quantity that takes on value.
最基本的定义,某一个随机变量X的期望值E,我应该提到过,随机变量是一个可以取值的数
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