名词
中文翻译：Unknown
同义词：
['Integral', 'Rational', 'Invariant例句：1. The integral of the function f(x) over the interval [a', 'b] is defined as the area under the curve f(x) from x=a to x=b.（函数f(x)在区间[a', 'b]上的积分定义为曲线f(x)从x=a到x=b下方的面积。）']
例句：
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1. The integral of the function f(x) over the interval [a, b] is defined as the area under the curve f(x) from x=a to x=b.
函数f(x)在区间[a, b]上的积分定义为曲线f(x)从x=a到x=b下方的面积。
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2. A rational number is a number that can be expressed as a fraction with a denominator of two or more integers.
有理数是可以表示为分数，分母为两个或更多整数的数字。
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3. The invariant subspace of a linear transformation is a subspace of the original space thatremains invariant under the transformation.
线性变换的不变子空间是原始空间中的一个子空间，它在变换下保持不变。