AUTO QUOTED PRICE In this mathematics model, both cost and offer linear functions are used.

Through introducing experiments of linear function and mathematical modeling ( the line of best fit), the article investigates the issue of mathematics curriculum reform.

文章通过介绍一次函数的数学实验和数学建模（最佳拟合直线）的活动，对数学课程改革的问题进行探索。

Do you charge extra for delivery?

另收送货费 吗 ?

They don't charge extra.

他们不会额外收费.

We here charge extra 15 % of your bill for service.

我们这里要加收15%的服务费?

They charge extra for wine.

喝酒他们另外收费.

An additional charge is made for heavy bags.

份量重的包裹要增收费用.

Each option might carry an additional charge.

每个选项会额外收费.

Combined purchases are shipped at no additional charge.

联合采购是运往收取任何额外费用.

The soft-drinks and healthy drinks are also provided without additional charge.

软饮料和健康饮料,也提供了无额外收费.

There will be an additional charge for overnight delivery.

要寄隔夜就送达的快递要加一笔额外的费用.

Yes , you can. But you need to pay an additional charge.

可以, 但是你要付额外的费用.

An additional charge is made on baggage exceeding the weight allowance.

当行李超重时需要额外缴费.

To add ( an extra thing or amount ) with no additional charge.

外加,额外奉送无偿地加入 ( 额外的东西或数量 )

Spain used to be a major colonial power.

西班牙以往是个殖民强国.

Britain was the strongest colonial power at the time.

不列颠当时是最强的殖民地力量.

France was once a colonial power.

法国一度是占有殖民地的强国.

Another Uniform Inference for Euler Formula about Critical Load of Slender Compressive Rod

细长压杆临界压力欧拉公式的另一种统一推导

A use of Euler's formula

欧拉公式的一个应用

Simultaneously, we probed into the problem of the force endured by the leg while swinging in water, and did the dynamic analyzing in Newton-Euler and Morison formulas.

用牛顿欧拉公式和Morison公式对单腿步行足在水中受力情况做了分析。

Instruction Design Studies of "Euler's Formula and the Classification of Closed Surfaces" for High School Mathematics

高中数学欧拉公式与闭曲面分类教学设计研究