而且，特别地，如果我们令此函数为零，而不是近似为零，它意味着我们在水平集的切平面上移动。
And so, in particular, if we set this equal to zero instead of approximately zero, it means we'll actually be moving on the tangent plane to the level set.
而且，如果我们所知道的所有事情只是一个猜测，或者一个近似的东西；那么事情就可以还有经常会使得我们的想法失效。
Moreover, if everything we know is a guess, an approximation, events can, and often will, invalidate our ideas.
《W.》以近似于漫画的手法描绘了近期的一段历史, 而且也不光只对布什一人.
W.'s semi-comic depiction of recent history will appeal to many.
对于使用高脉冲重复频率的主动多普勒雷达导引头，连续波近似法不仅计算相对简单，而且可以给出较高的计算精度。
For a Doppler radar homing seeker with high pulse repetition frequency, the continuous wave approximation is not only simple, but also has a high calculation accuracy.
计算结果表明脉动壁压可用正交分解进行描述，而且对其进行低阶近似颇为有效。
The result makes it clear that wall-pressure fluctuation can be described with the method of proper orthogonal decomposition, and the low order approximation is very efficient.
直至今日这个系统是如此复杂，我们最好的电脑模型也仅仅是粗略的近似指，而且它非成熟到足以检验气候改变原因的假说。
The system is so complex that, to date, our best computer models are only crude approximations and are not sophisticated enough to test hypotheses about the causes of climatic change.
如果节点在求解区域内互异而且稠密，则近似解一致收敛到精确解。
If the grid points are different and dense in the interval of the solution, then approximate solution is convergent uniformly to the exact solution.
这一结论不仅与一些文献结果相吻合，而且说明用梯度塑性理论能够近似描述等间距现象。
The present conclusion agrees with some previous experiments. The gradient plastic theory can approximately describe the phenomenon of the same fracture spacing.
它必须被引入到仪表中，而且仪表刻度也要近似地表明正确的交流电压值。
It must be incorporated into the meter and the scale must be drawn to indicate the correct value of AC voltage.
但是，分割尺寸越小，重构图像的块状效应越明显，而且分割越小图像所表示的方向也越少，效果也近似于小波变换。
Nevertheless, the smaller size of sub image also results to clearer block effect, and the fusion results achieved by ridgelet will also approximate to wavelet transform.
利用该平面坐标网二叉树，把平面中的网格点一一映射到一个整数集合上，从而可以把平面中的任意点近似地映射为一个整数，而且可以任意精确，对任意平面图形图象的处理、储存和传输起着极其重要的作用。
The net points of a plane can be mapped onto a set of integers in a one to one way based on the tree, so can any point of a plane be approximately mapped onto an integer with arbitrary accuracy.
研究近似概念以及由此而生成的近似本体不仅是必要，而且其重要性日益增加。
Research on the approximate concept and the resulting approximate ontology generated is not only necessary, but its importance is growing.
而且，总结了基于能量状态近似法的飞行轨迹优化算法。
In addition, the flight path optimization algorithm based on energy state approximation is summarized.
结果表明基于近似模型的优化方法不仅全局性良好，而且有效节约了计算资源。
The result shows that the optimization method based on approximation technology has good global performance and also can greatly save the calculating resources.
而在2006年胜出的产品中就有一款能满足她们的要求，它就是夏芙生产的洋娃娃“电眼宝贝”。该玩具具有九项近似人类的功能，而且它们在表现这些功能的时候不需要安装电池。
One of the winning products for them in 2006 is a doll, the Zapf "baby with magic eyes" that has nine life-like functions and carries them out without need of batteries.
精确解与近似解的差异不仅表现在A4值的大小及符号（正负），而且表现在A4随方位的变化特征。
The exact and approximate solutions are different in the magnitude and signs (positive and negative) of A4 as well as the variations with azimuths.
由于航空遥感影像近似竖直摄影的特性，倾斜角非常小，几乎接近于零，而且内方位元素已知。
Because the aerial imagery is acquired by the way of vertical photography, the banking angle is very small, almost closing to zero, and the inner element is known.
本文给出了双粒子格林函数的能谱方程及其简单的推导过程，而且还推导出了在TDA近似下的顶角因子的二级近似公式。
We give the spectra equation of double particle Green Function and the process eliting it. As well as the second approximate formula of the TDA approximate diagram is also given.
本文定义了一类“近乎双线性”系统。可用以近似一类奇异摄动双线性系统，而且可以描述某些实际工业对象。
In this paper, a class of "nearly bilinear" systems is defined, which can not only approximate singular perturbation bilinear systems, but also describe some practical industry processes.
②在热处理过程中，对照试材的重量损失率WL随着热处理时间的延长而增大，而且，WL与R之间呈近似线性负相关；
There exists an evident linear relationship between values of weight loss (WL) and corresponding time, and an evident negative relationship between WL and Rs ;
②在热处理过程中，对照试材的重量损失率WL随着热处理时间的延长而增大，而且，WL与R之间呈近似线性负相关；
There exists an evident linear relationship between values of weight loss (WL) and corresponding time, and an evident negative relationship between WL and Rs ;
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