名词
中文翻译：古典不变量
同义词：
['classical constant', 'classical invariant例句：1. The classical invariant of a quadratic equation is the discriminant.（一个二次方程的古典不变量是判别式。）2. In classical mechanics', "an object's acceleration is directly proportional to its mass and inversely proportional to its velocity.（在古典力学中，物体的加速度与它的质量成正比，与它的速度成反比。）"]
例句：
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1. The classical invariant of a quadratic equation is the discriminant.
一个二次方程的古典不变量是判别式。
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2. In classical mechanics, an object's acceleration is directly proportional to its mass and inversely proportional to its velocity.
在古典力学中，物体的加速度与它的质量成正比，与它的速度成反比。
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3. The classical invariant of a polynomial function is its degree.
多项式函数的古典不变量是它的度数。