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Discriminant of a quadratic equation in one unknown 一元二次方程的判别式
equation in one unknown 一元方程
Thus what is now called the wave equation in one spatial dimension appears for the first time. 这样一来现在称为一维的波动方程就第一次出现了。
The work must be finished in one way or another. 这件事必须设法做好。
He came running here with a knife held in one hand. 他一手握着刀向这里跑来。
Please do not loiter in one street after school. 放学后，请不要在街头徘徊。
She did her washing in one of the outhouses. 她在户外的一间小屋里洗衣服。
He was in one of his uncontrollable furies. 他怒不可遏。
Several students made the request in one breath. 好几个学生同时提出这个要求。
If we all go in one car, we'll save on petrol. 如果我们大家挤在一辆车里，就可以节省汽油。
non-linear equation in one variable 非线性方程
His opinion differs from mine in one respect. 他的意见和我的有一点不同之处。
We can rearrange this equation in two main ways. 我们可以用两种主要方法重排这个方程。
He's President, Treasurer and Secretary in one. 他身兼会长、司库和秘书三职。
Do not keep all the eggs in one basket. [谚]不要孤注一掷。
In one's own home, one can act however one wishes. 一个人在自己家里，可以爱怎么做就怎么做。
We've seen two amalgamations in one week. 我们在一个星期内已经见到两件合并的事了。
By means of regression equation with one unknown quantity for leaf area of Biota orientalis,ecological and economical benefits of this tree species were quantitatively obtained. 通过求出侧柏叶面积的一元回归模型，定量说明济南近郊山体侧柏树的生态效益、经济效益。
The train usually goes120 kilometers in one hour. 火车通常一小时跑120公里。
Traverses the BP arithmetic to solve non-linear equations in one variable, presents and proves the convergence theorem of the arithmetic, shows the application example. 摘要研究了一种求解非线性方程的新方法，提出并证明了该算法的收敛性定理，给出了该算法的应用实例。