More than six million people visit the Eiffel Tower per year.

The Eiffel Tower is made of metal and really tall.

艾菲尔铁塔是由金属做成的而且真的很高.

a replica of the Eiffel tower

埃菲尔铁塔模型

On the display a miniature of the magnificent Eiffel Tower.

展出的有宏伟的埃菲尔铁塔的微型模型.

I've been to the top of the Eiffel Tower many a time.

我曾多次登上埃菲尔铁塔的塔顶.

We went to see Eiffel Tower in the morning.

今天上午,我们参观了埃菲尔铁塔.

He a miniature of the Eiffel Tower on his desk.

他的书桌上放着一座埃菲尔铁塔的“模型”.

Nancy : Have you ever seen the Eiffel Tower at night?

大家在晚上见过艾菲尔铁塔 吗 ?非常的美丽.

We are going to the top of the Eiffel Tower this afternoon!

我们今天下午打算去埃菲尔铁塔的顶端.

I went to France and I saw the Eiffel Tower.

我去过法国,我看见埃菲尔铁塔了.

We always reject zero as an eigenfunction on the ground of physics.

根据物理上的理由，我们总是剔除把零作为本征函数。

The stable field problem is discussed in rectangle area with method , which are eigenfunction and superpositionle.

文章结合叠加原理,应用本征函数法研究矩形区域上稳定场问题.

Eigenvalue method is one of the fundamental Methods: That solve polynomial system.

特征值方法是求解多项式方程组的基本方法之一.

An iteration procedure can be used to determine the eigenvalue.

迭代方法可用来确定特征值.

Under distribution , each eigenvalue can be described by its mean and variance.

正态假定下的均值、方差可用来描述这种分布特性.

To this end we shall first consider the following eigenvalue problem.

为此目的,我们将首先考虑下列的本征值问题.

Firstly, a perturbation and spaced eigenvalue problems of vibrating string is presented.

首先讨论了弦振动的孤立、相近特征值摄动问题.

Then stability of the system depends on the corresponding second-order eigenvalue problem.

而对于复杂转子 - 可倾瓦轴承系统,采用广义反迭代方法求解其二次特征值问题.

A class of eigenvalue problems is studied.

摘要研究一类特征值问题及其应用.

Afterwards, the inverse quadratic eigenvalue problems in damped vibration system are studied.

再次, 研究了阻尼振动系统中的二次特征值反问题.

We can not say for certain which eigenvalue will be obtained.

我们不能说一定得到哪个本征值.