逼近

The loud crack of thunder echoed through the valley as the storm approached.

当风暴逼近时，巨大的雷鸣声在山谷中回荡。

The police are moving in on the criminals hiding in the hills.

向躲在山里的罪犯逼近。

They all evacuated when the enemy approached the city.

敌人逼近这个城市时他们已撤退了。

The matron bore down upon the terrified nurses.

护士长逼近了那些惊慌的护士们。

The enemy is closing in on the city.

敌军逼近这座城市。

The police are closing in on the criminals.

逼近那些罪犯。

Consternation spread throughout the city as the invading army approached.

当侵略军逼近时恐慌蔓延了整个城市。

War was impending over the young republic.

战争在逼近这个年轻的共和国。

The police car was gaining ground on the robbers.

车在逼近抢劫犯。

With the local elections looming large, the Conservative party is beginning to look nervous.

随着地方选举的逼近，保党开始显得焦躁不安。

The mad man came at us with a knife.

那个疯子拿着一把刀朝我们逼近。

The approaching tornado struck awe in our hearts.

在逼近的龙卷风使我们惊恐万分。

The enemy warship tried to bear down on our small airboat.

敌舰企图逼近我们的小汽艇。

The best uniform approximation algorithm to approach the catenary suspension and the CAD system using this algorithm to design the catenarian dome of hot blast stove are described in the paper.

介绍了采用最佳一致逼近法对悬链线进行逼近,以及运用此算法进行热风炉悬链线拱顶设计的CAD）系统。

In order to further discuss the identification of fault after the detection, a nonlinear online neural network approximator is used to provide an estimate of the fault.

为了进一步实现故障特性的辨识,讨论了一种利用神经网络对非线性故障模式进行在线逼近的鲁棒故障诊断方法。

For the other four leaf shapes - spathulate, denta-spathulate, cello-shaped and deltoid - more segments of Bezier curves were necessary for a good fitting.

对于三角形、匙形、齿匙形、提琴形等四种叶形来说，其误差较大，这些类型的叶片宜以多段的贝氏曲线进行几何模拟，以准确地逼近实际的叶片形状。

The trackability limitation of current gradient algorithm is discussed.A new algorithm, named variable parameter gradient estimation algorithm with local polynomial approximation is proposed.

本文分析了梯度辨识算法时变系统的缺点，提出了一种新的基于局部多项式逼近的变参数梯度估计算法。

A class of nonconforming finite elements are applied to hyperbolic equation with semidiscretization on anisotropic meshes, the optimal error estimates are derived.

摘要在各向异性条件下，讨论了双曲型方程的一类非协调有限元逼近，给出了半离散格式下的最优误差佑计。

Some properties of polynomial mollifier are presented and the conclusion that polynomial can consistently approximate continuous function is proved.

给出多项式软化子的几个性质，并由此证得用多项式一致逼近连续函数的结论。

The enemy was upon us.

敌人逼近我们。