Antihydrogen formation in the laser-assisted positronium-antiproton collision is investigated in the first Born approximation.

在一级玻恩近似下，研究了在激光辅助电子偶素-反质子碰撞中反氢合成。

This is the nearest approximation of cost that they can give us.

这是他们能够给我们最接近费用估价。

This is only a crude approximation of the actual conditions in the area.

这只是对这一地区实际情况估计。

We do not have the true figures so we will have to make some approximations.

我们没有真实数字，因此只能作些估计。

An approximation algorithm is presented for minimizing a nondecreasing supermodular set function, and its performance guarantee is probed.

摘要给出了求解一类上模集函数最小值问题一种近似法，并讨论了所给法性能保证。

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法跟系统缺点，提出了一种新基于局部多项式逼近参数梯度估计法。

The analytical solutions for the stead state equations of four wave mixing with an arbitrary complex coupling constant are given without the undepleted pump approximation.

在无泵浦非耗竭近似下，给出了复耦合系数为任意值稳态四波混频耦合波方程组解析解。

It adds time delay to the controlling system that can control the time delay system inerrably and overcome the shortcomings of the traditional approximation method.

该方法将间滞后因子自然纳入系统控制机制，可完全无误差实现对滞系统控制，克服了传统近似法解决滞所带来误差问题。

To achieve such a rapid and low complexity of the distribution，and it proposes a semiregular mesh geometry coding related to the reconstruction of the mean square error of approximation.

为了实现这种快速和低复杂度分配方法，提出了和半规则网格几何编码相关重建均方误差近似方法。

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,以及运用此法进行热风炉悬链线拱顶设计CAD）系统。

As mentioned above in the directional lights section, the rendering of shadows for directional lights is an approximation that allows us to use a single render to cover a largeish area with shadows.

你也可以使用着色语言作为技术实现基础来处理阴影投射体和接收体材质来实现更复杂阴影法，比如实现支持自投影深度阴影贴图。